diff --git a/libc/src/__support/CMakeLists.txt b/libc/src/__support/CMakeLists.txt
index c44e333645e22..6637ff9d56f4b 100644
--- a/libc/src/__support/CMakeLists.txt
+++ b/libc/src/__support/CMakeLists.txt
@@ -55,7 +55,7 @@ add_header_library(
   common
   HDRS
     common.h
-    endian.h
+    endian_internal.h
     macros/properties/architectures.h
     macros/attributes.h
     macros/properties/cpu_features.h
diff --git a/libc/src/__support/HashTable/generic/bitmask_impl.inc b/libc/src/__support/HashTable/generic/bitmask_impl.inc
index 6266ac3c84a90..469ddeeed8a85 100644
--- a/libc/src/__support/HashTable/generic/bitmask_impl.inc
+++ b/libc/src/__support/HashTable/generic/bitmask_impl.inc
@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/__support/common.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 
 namespace LIBC_NAMESPACE_DECL {
diff --git a/libc/src/__support/endian.h b/libc/src/__support/endian_internal.h
similarity index 96%
rename from libc/src/__support/endian.h
rename to libc/src/__support/endian_internal.h
index 8c443fefab5e8..77839ad75455b 100644
--- a/libc/src/__support/endian.h
+++ b/libc/src/__support/endian_internal.h
@@ -6,8 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_LIBC_SRC___SUPPORT_ENDIAN_H
-#define LLVM_LIBC_SRC___SUPPORT_ENDIAN_H
+#ifndef LLVM_LIBC_SRC___SUPPORT_ENDIAN_INTERNAL_H
+#define LLVM_LIBC_SRC___SUPPORT_ENDIAN_INTERNAL_H
 
 #include "common.h"
 #include "src/__support/macros/config.h"
@@ -143,4 +143,4 @@ using Endian = internal::Endian<__BYTE_ORDER__>;
 
 } // namespace LIBC_NAMESPACE_DECL
 
-#endif // LLVM_LIBC_SRC___SUPPORT_ENDIAN_H
+#endif // LLVM_LIBC_SRC___SUPPORT_ENDIAN_INTERNAL_H
diff --git a/libc/src/network/htonl.cpp b/libc/src/network/htonl.cpp
index ec3c02e2894f2..681786adea68a 100644
--- a/libc/src/network/htonl.cpp
+++ b/libc/src/network/htonl.cpp
@@ -8,7 +8,7 @@
 
 #include "src/network/htonl.h"
 #include "src/__support/common.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 
 namespace LIBC_NAMESPACE_DECL {
diff --git a/libc/src/network/htons.cpp b/libc/src/network/htons.cpp
index 78416b3a7d1f0..675f53cf4a0ad 100644
--- a/libc/src/network/htons.cpp
+++ b/libc/src/network/htons.cpp
@@ -8,7 +8,7 @@
 
 #include "src/network/htons.h"
 #include "src/__support/common.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 
 namespace LIBC_NAMESPACE_DECL {
diff --git a/libc/src/network/ntohl.cpp b/libc/src/network/ntohl.cpp
index 974b574432ff3..6a309e97fca79 100644
--- a/libc/src/network/ntohl.cpp
+++ b/libc/src/network/ntohl.cpp
@@ -8,7 +8,7 @@
 
 #include "src/network/ntohl.h"
 #include "src/__support/common.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 
 namespace LIBC_NAMESPACE_DECL {
diff --git a/libc/src/network/ntohs.cpp b/libc/src/network/ntohs.cpp
index bb1779f3dcb30..b51ecb93241ca 100644
--- a/libc/src/network/ntohs.cpp
+++ b/libc/src/network/ntohs.cpp
@@ -8,7 +8,7 @@
 
 #include "src/network/ntohs.h"
 #include "src/__support/common.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 
 namespace LIBC_NAMESPACE_DECL {
diff --git a/libc/src/string/memory_utils/op_generic.h b/libc/src/string/memory_utils/op_generic.h
index 89bbea8a2bdd2..da20a84dede4d 100644
--- a/libc/src/string/memory_utils/op_generic.h
+++ b/libc/src/string/memory_utils/op_generic.h
@@ -26,7 +26,7 @@
 #include "src/__support/CPP/array.h"
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/common.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 #include "src/__support/macros/optimization.h"
 #include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_INT64
diff --git a/libc/src/string/memory_utils/utils.h b/libc/src/string/memory_utils/utils.h
index 5e5fe593cce77..cae65bddd92f6 100644
--- a/libc/src/string/memory_utils/utils.h
+++ b/libc/src/string/memory_utils/utils.h
@@ -12,7 +12,7 @@
 #include "src/__support/CPP/bit.h"
 #include "src/__support/CPP/cstddef.h"
 #include "src/__support/CPP/type_traits.h"
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/attributes.h" // LIBC_INLINE
 #include "src/__support/macros/config.h"
 #include "src/__support/macros/properties/architectures.h"
diff --git a/libc/test/src/__support/CMakeLists.txt b/libc/test/src/__support/CMakeLists.txt
index 7ad262d5f1f30..e7ab85906a94f 100644
--- a/libc/test/src/__support/CMakeLists.txt
+++ b/libc/test/src/__support/CMakeLists.txt
@@ -57,11 +57,11 @@ add_libc_test(
 )
 
 add_libc_test(
-  endian_test
+  endian_internal_test
   SUITE
     libc-support-tests
   SRCS
-    endian_test.cpp
+    endian_internal_test.cpp
   DEPENDS
     libc.src.__support.common
 )
diff --git a/libc/test/src/__support/endian_test.cpp b/libc/test/src/__support/endian_internal_test.cpp
similarity index 97%
rename from libc/test/src/__support/endian_test.cpp
rename to libc/test/src/__support/endian_internal_test.cpp
index 758c13b686946..eab0f376e7495 100644
--- a/libc/test/src/__support/endian_test.cpp
+++ b/libc/test/src/__support/endian_internal_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/__support/macros/config.h"
 #include "test/UnitTest/Test.h"
 
diff --git a/libc/test/src/network/htonl_test.cpp b/libc/test/src/network/htonl_test.cpp
index d3b930d0b1ea2..f2e2541312c31 100644
--- a/libc/test/src/network/htonl_test.cpp
+++ b/libc/test/src/network/htonl_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/network/htonl.h"
 #include "src/network/ntohl.h"
 #include "test/UnitTest/Test.h"
diff --git a/libc/test/src/network/htons_test.cpp b/libc/test/src/network/htons_test.cpp
index d38fab8153b97..9668162523ce5 100644
--- a/libc/test/src/network/htons_test.cpp
+++ b/libc/test/src/network/htons_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/network/htons.h"
 #include "src/network/ntohs.h"
 #include "test/UnitTest/Test.h"
diff --git a/libc/test/src/network/ntohl_test.cpp b/libc/test/src/network/ntohl_test.cpp
index b06f8e19e4f45..b72456b7200e5 100644
--- a/libc/test/src/network/ntohl_test.cpp
+++ b/libc/test/src/network/ntohl_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/network/htonl.h"
 #include "src/network/ntohl.h"
 #include "test/UnitTest/Test.h"
diff --git a/libc/test/src/network/ntohs_test.cpp b/libc/test/src/network/ntohs_test.cpp
index 654a39662ac9c..1104356076b94 100644
--- a/libc/test/src/network/ntohs_test.cpp
+++ b/libc/test/src/network/ntohs_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/endian.h"
+#include "src/__support/endian_internal.h"
 #include "src/network/htons.h"
 #include "src/network/ntohs.h"
 #include "test/UnitTest/Test.h"
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 69a0dada23b4c..2573788658d59 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -425,7 +425,7 @@ libc_support_library(
     name = "__support_common",
     hdrs = [
         "src/__support/common.h",
-        "src/__support/endian.h",
+        "src/__support/endian_internal.h",
     ],
     deps = [
         ":__support_macros_attributes",
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/__support/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/__support/BUILD.bazel
index fae0482e7f3a5..0698f45ceabc9 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/__support/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/__support/BUILD.bazel
@@ -30,8 +30,8 @@ libc_test(
 # )
 
 libc_test(
-    name = "endian_test",
-    srcs = ["endian_test.cpp"],
+    name = "endian_internal_test",
+    srcs = ["endian_internal_test.cpp"],
     deps = ["//libc:__support_common"],
 )