The word(s) "wolf" appears 3 time(s) in 3 verse(s) in Quran in Saheeh International translation.

(1) [Jacob] said, "Indeed, it saddens me that you should take him, and I fear that a wolf would eat him while you are of him unaware."

(سورة يوسف, Yusuf, Chapter #12, Verse #13)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) They said, "If a wolf should eat him while we are a [strong] clan, indeed, we would then be losers."

(سورة يوسف, Yusuf, Chapter #12, Verse #14)
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(3) They said, "O our father, indeed we went racing each other and left Joseph with our possessions, and a wolf ate him. But you would not believe us, even if we were truthful."

(سورة يوسف, Yusuf, Chapter #12, Verse #17)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)