Surname คาซึกิ (คาซึกิ 
) , throughout the world, is an extremely rare last name. The family name คาซึกิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, คาซึกิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| คาซึกิ | Thailand |