Omur, Ömür, male first name of Turkish origin, its meaning is life, also is a surname

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

Otavio, Portuguese name for child. Name of Latin origin coming from Octavius

Oldrich and Oldřich, name in Slovak and Czech for boy, comes from the name of Germanic origin, Ulrich

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 coloring page

More Boy names with O coloring pages