OH MY

Greek 

πω πω. (various references)

Indonesian

aduh (alas, ouch, ow). (various references)

Pig Latin

ohay ymay.(various references)

Romanian

na (ah, here, ho, take your change out of that, the deuce, well I never), mai (may, again, more), mãiculeana, aoleu (ah, alack, bless me, blow me, chut, come, crikey, cripes, dear me, oh boy, oh dear, ouch). (various references)

Turkish

hay allah (botheration, dear, doggone, gosh, hey, holy cow, I will be damned, my gosh, oh my god, son of a gun). (various references)