GTA VI Supported Languages

Check the 13 languages currently listed by Rockstar.

13 languagesOfficialSupported

EnglishFrenchItalianGermanRussianJapanesePolishKoreanSimplified ChineseTraditional ChineseSpanish (Mexico)Spanish (Spain)Portuguese (Brazil)

Rockstar currently lists these as supported languages on the GTA VI store page.

Official sources
Rockstar Store — Supported Languages
Xbox Store — GTA VI