diff --git a/gfx/thebes/StandardFonts-android.inc b/gfx/thebes/StandardFonts-android.inc
index f23960cf6bad..4dac743c1fbc 100644
--- a/gfx/thebes/StandardFonts-android.inc
+++ b/gfx/thebes/StandardFonts-android.inc
@@ -193,4 +193,10 @@ static const char* kBaseFonts_Android12_Higher[] = {
   "Noto Serif Yezidi",
   "Source Sans Pro",
   "Source Sans Pro SemiBold"
+};
+
+// Additional manufacturer font families that are important for usability.
+// Set as langpack to allow use through FontVisibilityLangPack
+static const char* kLangPack_MFR_Android12_Higher[] = {
+  "One UI Sans KR VF"
 };
\ No newline at end of file
diff --git a/gfx/thebes/gfxFT2FontList.cpp b/gfx/thebes/gfxFT2FontList.cpp
index 66f7655282f2..2eba69dc6c94 100644
--- a/gfx/thebes/gfxFT2FontList.cpp
+++ b/gfx/thebes/gfxFT2FontList.cpp
@@ -978,6 +978,7 @@ gfxFT2FontList::gfxFT2FontList() : mJarModifiedTime(0) {
   CheckFamilyList(kBaseFonts_Android9_Higher);
   CheckFamilyList(kBaseFonts_Android9_11);
   CheckFamilyList(kBaseFonts_Android12_Higher);
+  CheckFamilyList(kLangPack_MFR_Android12_Higher);
 
   nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
   if (obs) {
@@ -1315,6 +1316,10 @@ FontVisibility gfxFT2FontList::GetVisibilityForFamily(
       if (FamilyInList(aName, kBaseFonts_Android12_Higher)) {
         return FontVisibility::Base;
       }
+
+      if (FamilyInList(aName, kLangPack_MFR_Android12_Higher)) {
+        return FontVisibility::LangPack;
+      }
     }
   }
 
@@ -1364,6 +1369,9 @@ gfxFT2FontList::GetFilteredPlatformFontLists() {
       fontLists.AppendElement(
           std::make_pair(kBaseFonts_Android12_Higher,
                          ArrayLength(kBaseFonts_Android12_Higher)));
+      fontLists.AppendElement(
+          std::make_pair(kLangPack_MFR_Android12_Higher,
+                         ArrayLength(kLangPack_MFR_Android12_Higher)));
     }
   }