The Commons app is localized (sometimes partially) to these languages:
- Abkhazian
- Afrikaans
- Arabic
- Aramaic
- Armenian
- Assamese
- Asturian
- Azeri
- Azerbaijani
- Bangla
- Bashkir
- Basque
- Belarusian
- Bosnian
- Brazilian Portuguese
- Breton
- Bulgarian
- Burmese
- Catalan
- Central Bikol
- Central Kurdish
- Chechen
- Colognian
- Croatian
- Czech
- Danish
- Doteli
- Dutch
- Esperanto
- Faroese
- Finnish
- Franco-Provençal
- French
- Friulian
- Galician
- Georgian
- German
- Greek
- Gujarati
- Hawaiian
- Hebrew
- Hindi
- Hungarian
- Icelandic
- Indonesian
- Interlingua
- Italian
- Japanese
- Javanese
- Kabyle
- Kannada
- Karachay-Balkar
- Kashubian
- Khmer
- Korean
- Kurdish
- Kyrgyz
- Latin
- Latvian
- Lezghian
- Limburgish
- Lithuanian
- Luxembourgish
- Macedonian
- Malagasy
- Malay
- Malayalam
- Maltese
- Marathi
- Mingrelian
- Mongolian
- Nepali
- Northern Luri
- North Frisian
- Norwegian Bokmål
- Occitan
- Odia
- Pashto
- Persian
- Piedmontese
- Polish
- Portuguese
- Punjabi
- Romanian
- Russian
- Sakizaya
- Santali
- Saraiki
- Serbian
- Simplified Chinese
- Sindhi
- Sinhala
- Slovak
- South Azerbaijani
- Sundanese
- Swahili
- Swedish
- Tamil
- Telugu
- Thai
- Traditional Chinese
- Tulu
- Turkish
- Ukrainian
- Upper Sorbian
- Urdu
- Uyghur
- Vietnamese
- Welsh
- Yiddish
- Zazaki
(This list was used for Google Code-in 2018, now deprecated)