Around the globe, Monahan (Monahan 
) is a very rare gender-neutral given name. Much more prevalently, Monahan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Monahan | United Kingdom, Australia, Ireland, United States, Canada |
|
little joe monahan American cattle rancher (b. 1850) |
|
| hartland monahan Canadian ice hockey player, CA (b. 1951) |
|
|
| torin monahan Professor |
|