Boy names
Boy names starting with O
39 names
Boy names that start with O, from the most to the least common in the 2022 Census.
- Otávio♂From Octavius, a Roman family name derived from Latin octāvus,…132,191 people
- Osvaldo♂'god' and 'powerful', from the elements os and weald109,513 people
- Osmar♂According to Machado, from Os-, the name of a Germanic god, and…84,788 people
- Orlando♂Italian form of Roland, from Germanic, with elements meaning 'fame'…79,927 people
- Odair♂59,427 people
- Oscar♂Possibly 'deer friend' (Old Irish) or 'spear of the gods' (Old…31,552 people
- Oseias♂Liberator17,166 people
- Oswaldo♂God and power16,866 people
- Olavo♂Descendant of the ancestor16,866 people
- Otacílio♂14,597 people
- Oziel♂My strength is God13,061 people
- Odilon♂French form of Odilo, linked to Germanic uodil, 'inheritance', or…12,807 people
- Osni♂9,719 people
- Onofre♂The one who is good, the one who is happy8,986 people
- Otto♂Wealth, fortune8,344 people
- Omar♂Florescent, long-lived8,107 people
- Ozeias♂7,788 people
- Olívio♂7,565 people
- Olímpio♂7,300 people
- Oneide♂♀6,662 people
- Otoniel♂6,316 people
- Otaviano♂Derived from Octavius, from Latin octavus, 'eighth'6,100 people
- Orivaldo♂5,803 people
- Osiel♂5,716 people
- Oliveira♂4,624 people
- Oseas♂Salvation4,249 people
- Osias♂My power is Yahweh3,858 people
- Orides♂♀3,569 people
- Osório♂3,127 people
- Oracio♂2,464 people
- Oto♂Wealth, fortune2,020 people
- Oberdan♂2,012 people
- Osvaldir♂2,006 people
- Oldair♂1,989 people
- Onivaldo♂1,961 people
- Oraci♂♀1,956 people
- Ozeas♂1,921 people
- Onorio♂Honor, esteem, dignity1,447 people
- Omero♂Hostage, pledge1,032 people
The figures are people recorded in IBGE's 2022 Demographic Census, which counts only the first name. How to read IBGE data.