Family name ក្តូ (ក្តូ 
) , all over the world, is an extremely rare last name. The last name ក្តូ is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Likewise, ក្តូ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ក្តូ | Cambodia |