Meaning A boy's name of Arabic origin, it means "trustworthy." Origin of Ma’mun Arabic +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Ma’mun Similar Names Mamun Aapti Mu’tamid Amini Aabid Sadeeq El-Amin Aman Amin Trygg Year by Year Popularity of Ma’mun