Family name เกศเทศ (เกศเทศ 
, Ketthet 
) , all over the world, is a very rare surname. The last name เกศเทศ is habitual in Thailand, where it is a rare surname, Nicaragua, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| เกศเทศ | Thailand |
| Ketthet | United States, Nicaragua, Thailand |