Octavi, masculine name of Latin origin in catalan, derived from the Roman name Octavius, its meaning is eighth

Oktawian, Octavian in english, male first name in Polish, derived from the latin gentilic Octavianus, his meaning is 'descendant of Octavius'

Oswaldo, name of Germanic origin. Variant of Osvald, Osvaldo and Oswald

Oliver, name with a German or Scandinavian origin

Ori, Hebrew name for boy, is also used for girl, its meaning is my light. It can also be a diminutive used for names such as Oriana or Oriella coloring page

More Boy names with O coloring pages