Around the world, Brannan (Brannan 
) is a rare mostly boy's, but infrequently feminine given name. The forename Brannan is habitual in the United States, where it is a very rare largely male, but uncommonly feminine name, and the United Kingdom. Much more prevalently, Brannan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Brannan | United Kingdom, Australia, Reunion, United States, Canada |
| duncan brannan American actor, US (b. 1970) |
|
|
| cooper brannan American baseball player, US (b. 1984) |
|
|
| mackenzie brannan American artistic gymnast, US (b. 1996) |
|