Oscar or Omar
Oliver!
Omar
Owen
Octavian
Ollie
oswald
Otto, Omar, Obed 😊
Orion, Orson
Ovie
Oswald
Otto otis or omar
Osiris or Orion
ozzy
Obie
Trusted by 5M+ women
My boy is Oz so I’m gonna guess that lol
Omari
Otis
Oscar or Omar