The word(s) "innocent" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) And whoever commits a fault or a sin, then accuses of it one innocent, he indeed takes upon himself the burden of a calumny and a manifest sin.

(سورة النساء, An-Nisaa, Chapter #4, Verse #112)
(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) So they went on until, when they met a boy, he slew him. (Musa) said: Have you slain an innocent person otherwise than for manslaughter? Certainly you have done an evil thing.

(سورة الكهف, Al-Kahf, Chapter #18, Verse #74)
(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)