Cognomen กีรติบุตร (กีรติบุตร 
, Keeratibut , Kiratibutr 
) , around the globe, is a very rare last name. The last name กีรติบุตร is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, กีรติบุตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กีรติบุตร, Keeratibut | Thailand |
| Kiratibutr | United States |