diff --git a/icu4c/source/common/unicode/ubidi.h b/icu4c/source/common/unicode/ubidi.h
index f4875c8801..9b048b5b8b 100644
--- a/icu4c/source/common/unicode/ubidi.h
+++ b/icu4c/source/common/unicode/ubidi.h
@@ -21,7 +21,10 @@
 
 #include "unicode/utypes.h"
 #include "unicode/uchar.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  *\file
diff --git a/icu4c/source/common/unicode/ubiditransform.h b/icu4c/source/common/unicode/ubiditransform.h
index 5c08ed5df0..79e22c0f95 100644
--- a/icu4c/source/common/unicode/ubiditransform.h
+++ b/icu4c/source/common/unicode/ubiditransform.h
@@ -21,7 +21,10 @@
 #include "unicode/utypes.h"
 #include "unicode/ubidi.h"
 #include "unicode/uchar.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/common/unicode/ubrk.h b/icu4c/source/common/unicode/ubrk.h
index 73c1553b24..da204eb744 100644
--- a/icu4c/source/common/unicode/ubrk.h
+++ b/icu4c/source/common/unicode/ubrk.h
@@ -13,7 +13,10 @@
 #include "unicode/utypes.h"
 #include "unicode/uloc.h"
 #include "unicode/utext.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * A text-break iterator.
diff --git a/icu4c/source/common/unicode/ucasemap.h b/icu4c/source/common/unicode/ucasemap.h
index 6b253e3d63..06c09a6116 100644
--- a/icu4c/source/common/unicode/ucasemap.h
+++ b/icu4c/source/common/unicode/ucasemap.h
@@ -22,10 +22,13 @@
 #define __UCASEMAP_H__
 
 #include "unicode/utypes.h"
-#include "unicode/localpointer.h"
 #include "unicode/stringoptions.h"
 #include "unicode/ustring.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: Unicode case mapping functions using a UCaseMap service object.
diff --git a/icu4c/source/common/unicode/ucnv.h b/icu4c/source/common/unicode/ucnv.h
index 614001cc43..46286271e8 100644
--- a/icu4c/source/common/unicode/ucnv.h
+++ b/icu4c/source/common/unicode/ucnv.h
@@ -51,7 +51,10 @@
 
 #include "unicode/ucnv_err.h"
 #include "unicode/uenum.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 #if !defined(USET_DEFINED) && !defined(U_IN_DOXYGEN)
 
diff --git a/icu4c/source/common/unicode/ucnvsel.h b/icu4c/source/common/unicode/ucnvsel.h
index d423845ceb..f33440dcfb 100644
--- a/icu4c/source/common/unicode/ucnvsel.h
+++ b/icu4c/source/common/unicode/ucnvsel.h
@@ -29,7 +29,10 @@
 #include "unicode/utf16.h"
 #include "unicode/uenum.h"
 #include "unicode/ucnv.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/common/unicode/ucptrie.h b/icu4c/source/common/unicode/ucptrie.h
index be06a22792..d736fbc4cc 100644
--- a/icu4c/source/common/unicode/ucptrie.h
+++ b/icu4c/source/common/unicode/ucptrie.h
@@ -8,11 +8,13 @@
 #define __UCPTRIE_H__
 
 #include "unicode/utypes.h"
-
-#include "unicode/localpointer.h"
 #include "unicode/ucpmap.h"
 #include "unicode/utf8.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 U_CDECL_BEGIN
 
 /**
diff --git a/icu4c/source/common/unicode/udata.h b/icu4c/source/common/unicode/udata.h
index 325ffcf17d..c2fc6c2ae3 100644
--- a/icu4c/source/common/unicode/udata.h
+++ b/icu4c/source/common/unicode/udata.h
@@ -20,7 +20,10 @@
 #define __UDATA_H__
 
 #include "unicode/utypes.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 U_CDECL_BEGIN
 
diff --git a/icu4c/source/common/unicode/uenum.h b/icu4c/source/common/unicode/uenum.h
index c670eeafb1..f6191d974e 100644
--- a/icu4c/source/common/unicode/uenum.h
+++ b/icu4c/source/common/unicode/uenum.h
@@ -20,13 +20,14 @@
 #define __UENUM_H
 
 #include "unicode/utypes.h"
-#include "unicode/localpointer.h"
 
 #if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+
 U_NAMESPACE_BEGIN
 class StringEnumeration;
 U_NAMESPACE_END
-#endif
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/common/unicode/uidna.h b/icu4c/source/common/unicode/uidna.h
index 0dafb76201..e789dca80d 100644
--- a/icu4c/source/common/unicode/uidna.h
+++ b/icu4c/source/common/unicode/uidna.h
@@ -23,9 +23,12 @@
 
 #if !UCONFIG_NO_IDNA
 
-#include "unicode/localpointer.h"
 #include "unicode/parseerr.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: Internationalizing Domain Names in Applications (IDNA)
diff --git a/icu4c/source/common/unicode/uldnames.h b/icu4c/source/common/unicode/uldnames.h
index 3ebffa23db..498668e147 100644
--- a/icu4c/source/common/unicode/uldnames.h
+++ b/icu4c/source/common/unicode/uldnames.h
@@ -16,10 +16,13 @@
  */
 
 #include "unicode/utypes.h"
-#include "unicode/localpointer.h"
 #include "unicode/uscript.h"
 #include "unicode/udisplaycontext.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * Enum used in LocaleDisplayNames::createInstance.
  * @stable ICU 4.4
diff --git a/icu4c/source/common/unicode/umutablecptrie.h b/icu4c/source/common/unicode/umutablecptrie.h
index f2af36477d..5325d58147 100644
--- a/icu4c/source/common/unicode/umutablecptrie.h
+++ b/icu4c/source/common/unicode/umutablecptrie.h
@@ -9,11 +9,14 @@
 
 #include "unicode/utypes.h"
 
-#include "unicode/localpointer.h"
 #include "unicode/ucpmap.h"
 #include "unicode/ucptrie.h"
 #include "unicode/utf8.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 U_CDECL_BEGIN
 
 /**
diff --git a/icu4c/source/common/unicode/unorm2.h b/icu4c/source/common/unicode/unorm2.h
index a9bd02f256..d18d0393d6 100644
--- a/icu4c/source/common/unicode/unorm2.h
+++ b/icu4c/source/common/unicode/unorm2.h
@@ -31,10 +31,13 @@
  */
 
 #include "unicode/utypes.h"
-#include "unicode/localpointer.h"
 #include "unicode/stringoptions.h"
 #include "unicode/uset.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * Constants for normalization modes.
  * For details about standard Unicode normalization forms
diff --git a/icu4c/source/common/unicode/ures.h b/icu4c/source/common/unicode/ures.h
index 839779fada..c9dfc2d3b0 100644
--- a/icu4c/source/common/unicode/ures.h
+++ b/icu4c/source/common/unicode/ures.h
@@ -27,7 +27,10 @@
 
 #include "unicode/utypes.h"
 #include "unicode/uloc.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/common/unicode/uset.h b/icu4c/source/common/unicode/uset.h
index 18482c10e7..92496feee5 100644
--- a/icu4c/source/common/unicode/uset.h
+++ b/icu4c/source/common/unicode/uset.h
@@ -31,7 +31,10 @@
 
 #include "unicode/utypes.h"
 #include "unicode/uchar.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 #ifndef USET_DEFINED
 
diff --git a/icu4c/source/common/unicode/usprep.h b/icu4c/source/common/unicode/usprep.h
index 914eb84871..cc1eca16a1 100644
--- a/icu4c/source/common/unicode/usprep.h
+++ b/icu4c/source/common/unicode/usprep.h
@@ -25,7 +25,10 @@
  */
 
 #include "unicode/utypes.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  *
diff --git a/icu4c/source/i18n/unicode/ucal.h b/icu4c/source/i18n/unicode/ucal.h
index c198450ba2..4e6f026503 100644
--- a/icu4c/source/i18n/unicode/ucal.h
+++ b/icu4c/source/i18n/unicode/ucal.h
@@ -13,7 +13,10 @@
 #include "unicode/utypes.h"
 #include "unicode/uenum.h"
 #include "unicode/uloc.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 #if !UCONFIG_NO_FORMATTING
 
diff --git a/icu4c/source/i18n/unicode/ucol.h b/icu4c/source/i18n/unicode/ucol.h
index 673af1c55a..f7e6919a51 100644
--- a/icu4c/source/i18n/unicode/ucol.h
+++ b/icu4c/source/i18n/unicode/ucol.h
@@ -15,12 +15,15 @@
 #if !UCONFIG_NO_COLLATION
 
 #include "unicode/unorm.h"
-#include "unicode/localpointer.h"
 #include "unicode/parseerr.h"
 #include "unicode/uloc.h"
 #include "unicode/uset.h"
 #include "unicode/uscript.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: Collator 
diff --git a/icu4c/source/i18n/unicode/ucsdet.h b/icu4c/source/i18n/unicode/ucsdet.h
index 52ed5ad0ee..d28da50290 100644
--- a/icu4c/source/i18n/unicode/ucsdet.h
+++ b/icu4c/source/i18n/unicode/ucsdet.h
@@ -25,9 +25,12 @@
 
 #if !UCONFIG_NO_CONVERSION
 
-#include "unicode/localpointer.h"
 #include "unicode/uenum.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file 
  * \brief C API: Charset Detection API
diff --git a/icu4c/source/i18n/unicode/udat.h b/icu4c/source/i18n/unicode/udat.h
index 4610203ddc..f865a45143 100644
--- a/icu4c/source/i18n/unicode/udat.h
+++ b/icu4c/source/i18n/unicode/udat.h
@@ -14,11 +14,15 @@
 
 #if !UCONFIG_NO_FORMATTING
 
-#include "unicode/localpointer.h"
 #include "unicode/ucal.h"
 #include "unicode/unum.h"
 #include "unicode/udisplaycontext.h"
 #include "unicode/ufieldpositer.h"
+
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: DateFormat
diff --git a/icu4c/source/i18n/unicode/udateintervalformat.h b/icu4c/source/i18n/unicode/udateintervalformat.h
index 2f9ec91ad3..90fab08cf4 100644
--- a/icu4c/source/i18n/unicode/udateintervalformat.h
+++ b/icu4c/source/i18n/unicode/udateintervalformat.h
@@ -16,9 +16,12 @@
 
 #include "unicode/ucal.h"
 #include "unicode/umisc.h"
-#include "unicode/localpointer.h"
 #include "unicode/uformattedvalue.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: Format a date interval.
diff --git a/icu4c/source/i18n/unicode/udatpg.h b/icu4c/source/i18n/unicode/udatpg.h
index 5abe1472a6..0c9eed72f7 100644
--- a/icu4c/source/i18n/unicode/udatpg.h
+++ b/icu4c/source/i18n/unicode/udatpg.h
@@ -22,7 +22,10 @@
 #include "unicode/utypes.h"
 #include "unicode/udat.h"
 #include "unicode/uenum.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/i18n/unicode/ufieldpositer.h b/icu4c/source/i18n/unicode/ufieldpositer.h
index 3ae73b6d84..ba795a17ca 100644
--- a/icu4c/source/i18n/unicode/ufieldpositer.h
+++ b/icu4c/source/i18n/unicode/ufieldpositer.h
@@ -14,7 +14,9 @@
 
 #if !UCONFIG_NO_FORMATTING
 
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/i18n/unicode/uformattable.h b/icu4c/source/i18n/unicode/uformattable.h
index 9ba2a36901..6afd94997e 100644
--- a/icu4c/source/i18n/unicode/uformattable.h
+++ b/icu4c/source/i18n/unicode/uformattable.h
@@ -34,7 +34,9 @@
 
 #if !UCONFIG_NO_FORMATTING
 
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * Enum designating the type of a UFormattable instance.
diff --git a/icu4c/source/i18n/unicode/ugender.h b/icu4c/source/i18n/unicode/ugender.h
index 903f3dd5de..6ce006e07d 100644
--- a/icu4c/source/i18n/unicode/ugender.h
+++ b/icu4c/source/i18n/unicode/ugender.h
@@ -14,7 +14,9 @@
 
 #if !UCONFIG_NO_FORMATTING
 
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/i18n/unicode/ulistformatter.h b/icu4c/source/i18n/unicode/ulistformatter.h
index 2bdf0f81f0..143175394e 100644
--- a/icu4c/source/i18n/unicode/ulistformatter.h
+++ b/icu4c/source/i18n/unicode/ulistformatter.h
@@ -14,9 +14,12 @@
 
 #if !UCONFIG_NO_FORMATTING
 
-#include "unicode/localpointer.h"
 #include "unicode/uformattedvalue.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: Format a list in a locale-appropriate way.
diff --git a/icu4c/source/i18n/unicode/ulocdata.h b/icu4c/source/i18n/unicode/ulocdata.h
index de8d8539c6..834be98835 100644
--- a/icu4c/source/i18n/unicode/ulocdata.h
+++ b/icu4c/source/i18n/unicode/ulocdata.h
@@ -22,7 +22,10 @@
 #include "unicode/ures.h"
 #include "unicode/uloc.h"
 #include "unicode/uset.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/i18n/unicode/umsg.h b/icu4c/source/i18n/unicode/umsg.h
index 5d235e42e8..3668234e53 100644
--- a/icu4c/source/i18n/unicode/umsg.h
+++ b/icu4c/source/i18n/unicode/umsg.h
@@ -24,11 +24,14 @@
 
 #if !UCONFIG_NO_FORMATTING
 
-#include "unicode/localpointer.h"
 #include "unicode/uloc.h"
 #include "unicode/parseerr.h"
 #include <stdarg.h>
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: MessageFormat
diff --git a/icu4c/source/i18n/unicode/unum.h b/icu4c/source/i18n/unicode/unum.h
index 3263bb4b29..9aceb8c64e 100644
--- a/icu4c/source/i18n/unicode/unum.h
+++ b/icu4c/source/i18n/unicode/unum.h
@@ -18,7 +18,6 @@
 
 #if !UCONFIG_NO_FORMATTING
 
-#include "unicode/localpointer.h"
 #include "unicode/uloc.h"
 #include "unicode/ucurr.h"
 #include "unicode/umisc.h"
@@ -27,6 +26,10 @@
 #include "unicode/udisplaycontext.h"
 #include "unicode/ufieldpositer.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: Compatibility APIs for number formatting.
diff --git a/icu4c/source/i18n/unicode/unumsys.h b/icu4c/source/i18n/unicode/unumsys.h
index 1631c234fd..d459e80e17 100644
--- a/icu4c/source/i18n/unicode/unumsys.h
+++ b/icu4c/source/i18n/unicode/unumsys.h
@@ -15,7 +15,10 @@
 #if !UCONFIG_NO_FORMATTING
 
 #include "unicode/uenum.h"
+
+#if U_SHOW_CPLUSPLUS_API
 #include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
 
 /**
  * \file
diff --git a/icu4c/source/i18n/unicode/upluralrules.h b/icu4c/source/i18n/unicode/upluralrules.h
index 9c09dfab8b..ec8cc81e12 100644
--- a/icu4c/source/i18n/unicode/upluralrules.h
+++ b/icu4c/source/i18n/unicode/upluralrules.h
@@ -14,8 +14,12 @@
 
 #if !UCONFIG_NO_FORMATTING
 
-#include "unicode/localpointer.h"
 #include "unicode/uenum.h"
+
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 #ifndef U_HIDE_INTERNAL_API
 #include "unicode/unum.h"
 #endif  /* U_HIDE_INTERNAL_API */
diff --git a/icu4c/source/i18n/unicode/uregex.h b/icu4c/source/i18n/unicode/uregex.h
index 131c492a55..dab172d51e 100644
--- a/icu4c/source/i18n/unicode/uregex.h
+++ b/icu4c/source/i18n/unicode/uregex.h
@@ -30,9 +30,12 @@
 
 #if !UCONFIG_NO_REGULAR_EXPRESSIONS
 
-#include "unicode/localpointer.h"
 #include "unicode/parseerr.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 struct URegularExpression;
 /**
   * Structure representing a compiled regular expression, plus the results
diff --git a/icu4c/source/i18n/unicode/ureldatefmt.h b/icu4c/source/i18n/unicode/ureldatefmt.h
index e2e1974f2d..3afc24ba56 100644
--- a/icu4c/source/i18n/unicode/ureldatefmt.h
+++ b/icu4c/source/i18n/unicode/ureldatefmt.h
@@ -16,9 +16,12 @@
 
 #include "unicode/unum.h"
 #include "unicode/udisplaycontext.h"
-#include "unicode/localpointer.h"
 #include "unicode/uformattedvalue.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: URelativeDateTimeFormatter, relative date formatting of unit + numeric offset.
diff --git a/icu4c/source/i18n/unicode/usearch.h b/icu4c/source/i18n/unicode/usearch.h
index 080528e347..3b64c7b903 100644
--- a/icu4c/source/i18n/unicode/usearch.h
+++ b/icu4c/source/i18n/unicode/usearch.h
@@ -15,11 +15,14 @@
 
 #if !UCONFIG_NO_COLLATION && !UCONFIG_NO_BREAK_ITERATION
 
-#include "unicode/localpointer.h"
 #include "unicode/ucol.h"
 #include "unicode/ucoleitr.h"
 #include "unicode/ubrk.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /**
  * \file
  * \brief C API: StringSearch
diff --git a/icu4c/source/i18n/unicode/uspoof.h b/icu4c/source/i18n/unicode/uspoof.h
index 8a9826ddf6..620d48fede 100644
--- a/icu4c/source/i18n/unicode/uspoof.h
+++ b/icu4c/source/i18n/unicode/uspoof.h
@@ -22,12 +22,12 @@
 #include "unicode/utypes.h"
 #include "unicode/uset.h"
 #include "unicode/parseerr.h"
-#include "unicode/localpointer.h"
 
 #if !UCONFIG_NO_NORMALIZATION
 
 
 #if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
 #include "unicode/unistr.h"
 #include "unicode/uniset.h"
 #endif
diff --git a/icu4c/source/i18n/unicode/utrans.h b/icu4c/source/i18n/unicode/utrans.h
index 021af498a8..9134e37136 100644
--- a/icu4c/source/i18n/unicode/utrans.h
+++ b/icu4c/source/i18n/unicode/utrans.h
@@ -17,12 +17,15 @@
 
 #if !UCONFIG_NO_TRANSLITERATION
 
-#include "unicode/localpointer.h"
 #include "unicode/urep.h"
 #include "unicode/parseerr.h"
 #include "unicode/uenum.h"
 #include "unicode/uset.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 /********************************************************************
  * General Notes
  ********************************************************************
diff --git a/icu4c/source/io/unicode/ustdio.h b/icu4c/source/io/unicode/ustdio.h
index 342c2b4604..86ba534ee4 100644
--- a/icu4c/source/io/unicode/ustdio.h
+++ b/icu4c/source/io/unicode/ustdio.h
@@ -30,9 +30,12 @@
 #include "unicode/utypes.h"
 #include "unicode/ucnv.h"
 #include "unicode/utrans.h"
-#include "unicode/localpointer.h"
 #include "unicode/unum.h"
 
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#endif   // U_SHOW_CPLUSPLUS_API
+
 #if !UCONFIG_NO_CONVERSION
 
 /*