In the world, O'Bryan (O'Bryan 
) is a very rare male first name. The given name O'Bryan is habitual in Sub-Saharan Africa, particularly Mauritius, where it is quite a rare boy's name. Much more frequently, O'Bryan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| O'Bryan | United Kingdom, Australia, Mauritius, Canada, United States |
| lee o'bryan college basketball player (1960–1961) Richmond |
|