Surname กิจพจน์ (กิจพจน์ 
) , globally, is a very rare last name. The last name กิจพจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, กิจพจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กิจพจน์ | Thailand |