Surname กิจสมิทธ์กุล (กิจสมิทธ์กุล 
) , around the globe, is an extremely rare last name. The cognomen กิจสมิทธ์กุล is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| กิจสมิทธ์กุล | Thailand |