Family name Gaiitan (Gaiitan 
) , all around the world, is a very rare cognomen. The family name Gaiitan is habitual in Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Argentina. Very seldom, Gaiitan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaiitan | Argentina, United States, Mexico, Colombia |