diff --git a/dll/win32/uxtheme/lang/pt-BR.rc b/dll/win32/uxtheme/lang/pt-BR.rc
new file mode 100644
index 00000000000..bbf08688317
--- /dev/null
+++ b/dll/win32/uxtheme/lang/pt-BR.rc
@@ -0,0 +1,19 @@
+/*
+ * PROJECT:     ReactOS uxtheme.dll
+ * LICENSE:     LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
+ * PURPOSE:     Portuguese (Brazil) resource file
+ * TRANSLATOR:  Copyright 2024 Daniel Victor <ilauncherdeveloper@gmail.com>
+ */
+
+LANGUAGE LANG_PORTUGUESE, SUBLANG_PORTUGUESE_BRAZILIAN
+
+/* Strings */
+
+STRINGTABLE
+BEGIN
+    IDS_MESSAGEBOX "Caixa de mensagem"
+    IDS_ACTIVEWIN "Janela ativa"
+    IDS_INACTIVEWIN "Janela inativa"
+    IDS_OK "OK"
+    IDS_WINTEXT "Texto da janela"
+END
diff --git a/dll/win32/uxtheme/lang/pt-PT.rc b/dll/win32/uxtheme/lang/pt-PT.rc
new file mode 100644
index 00000000000..2b3dc8a5e65
--- /dev/null
+++ b/dll/win32/uxtheme/lang/pt-PT.rc
@@ -0,0 +1,19 @@
+/*
+ * PROJECT:     ReactOS uxtheme.dll
+ * LICENSE:     LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
+ * PURPOSE:     Portuguese (Portugal) resource file
+ * TRANSLATOR:  Copyright 2024 Daniel Victor <ilauncherdeveloper@gmail.com>
+ */
+
+LANGUAGE LANG_PORTUGUESE, SUBLANG_PORTUGUESE
+
+/* Strings */
+
+STRINGTABLE
+BEGIN
+    IDS_MESSAGEBOX "Caixa de mensagem"
+    IDS_ACTIVEWIN "Janela activa"
+    IDS_INACTIVEWIN "Janela inactiva"
+    IDS_OK "OK"
+    IDS_WINTEXT "Texto da janela"
+END
diff --git a/dll/win32/uxtheme/uxtheme.rc b/dll/win32/uxtheme/uxtheme.rc
index d224472dda0..4d9c6fafa14 100644
--- a/dll/win32/uxtheme/uxtheme.rc
+++ b/dll/win32/uxtheme/uxtheme.rc
@@ -28,6 +28,12 @@
 #ifdef LANGUAGE_EN_US
     #include "lang/en-US.rc"
 #endif
+#ifdef LANGUAGE_PT_BR
+    #include "lang/pt-BR.rc"
+#endif
+#ifdef LANGUAGE_PT_PT
+    #include "lang/pt-PT.rc"
+#endif
 #ifdef LANGUAGE_RU_RU
     #include "lang/ru-RU.rc"
 #endif