Family name Cụt (Cụt 
) , across the world, is a very rare cognomen. The family name Cụt is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. Also, Cụt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cụt | Vietnam |
| trà thị cụt VN (b. 1946) |
|