Olaf, name of Nordic origin and very common in the Nordic countries. Used as name for boys. There are many variants with the same origin such as Olav, Olof and Oluf among others

Olivier, name with various origins and meanings

Onni, name of Nordic origin. Its meaning is fortune, luck

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

Omer, name for boy with different origins. Omer, Hebrew male name, its meaning is sheaf of wheat. Ömer, Turkish name for boy, corresponds to the Arabic name Umar or Omar coloring page

More Boy names with O coloring pages