- Albanian:Justín m,Justíni m,Gjustín m,Gjustíni m,
- Bulgarian:Юсти́н m(Justín),Джъ́стин m(Džǎ́stin)
- Catalan:Justí m
- Chinese:
- Mandarin:賈斯廷 /贾斯廷(Jiǎsītíng),賈斯汀 /贾斯汀(Jiǎsīdīng)
- Coptic:ⲓⲟⲩⲥⲧⲓⲛⲟⲥ(ioustinos)
- Cornish:Yestin
- Czech:Justin m
- Dutch:Justin (nl) m
- Esperanto:Justino
- Finnish:Justin
- French:Justin (fr) m
- Galician:Xustino (gl)
- German:Justin (de) m,Justinus m
- Greek:Ιουστίνος (el) m(Ioustínos),Τζάστιν(Tzástin)(transliteration of English name)
- Hebrew:יוסטינוס m(Yustinus)
- Hungarian:Iousztinosz,Jusztinosz
- Italian:Giustino (it) m
- Japanese:ジャスティン(Jasutin)
- Latin:Iustinius m,Iustinus m
- Lithuanian:Justinas (lt) m,Justas (lt) m
- Malayalam:[script needed](justin)
- Maltese:Ġustinu
- Māori:Hatini,Hutini
- Marathi:जस्टिन m(jasṭin)
- Polish:Justyn (pl) m
- Portuguese:Justino (pt) m
- Romanian:Iustin m
- Russian:Юсти́н m(Justín),Джа́стин (ru) m(Džástin)(transliteration of English name)
- Serbo-Croatian:
- Cyrillic:Ју̏стин m,Ју̏штин m
- Latin:Jȕstin m,Jȕštin m
- Slovene:Justin m
- Spanish:Justino (es) m,Justín m
- Thai:จัสติน(jàtdtin)
- Ukrainian:Юсти́н (uk) m(Justýn),Джа́стін m(Džástin)(transliteration of English name)
- Uyghur:جاستىن(jastin)
- Welsh:Iestyn m
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