Family name Ketsee (Ketsee 
) , worldwide, is a very rare last name. The cognomen Ketsee is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Ketsee is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ketsee | South Africa, Thailand |
Taweesak, Pichaiyut, and Chatchawan