All over the world, Decatur (Decatur 
) is a very rare predominantly male, but very infrequently feminine first name. The first name Decatur is habitual in Northern America, particularly the United States, where it is a very rare primarily masculine, but very seldom girly name. More prevalently, Decatur is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Decatur | Canada, Israel, United States, Georgia, Spain |