The word(s) "omens" appears 3 time(s) in 2 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) But when good (times) came, they said, "This is due to us;" When gripped by calamity, they ascribed it to evil omens connected with Moses and those with him! Behold! in truth the omens of evil are theirs in Allah's sight, but most of them do not understand!

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #131)
(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: "Your evil omens are with yourselves: (deem ye this an evil omen). If ye are admonished? Nay, but ye are a people transgressing all bounds!"

(سورة يس, Yaseen, Chapter #36, Verse #19)
(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)