Family name เกตุรัตนกุล (Katerattanakul 
, เกตุรัตนกุล , Keterattanakul ) , across the world, is a rare cognomen. The surname เกตุรัตนกุล is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, เกตุรัตนกุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katerattanakul | United States, Thailand |
| Gatratanakul, เกตุรัตนกุล, Keterattanakul | Thailand |