Surname Kitnithi (Kitnithi 
, กิจนิธิ ) , globally, is an extremely rare family name. The last name Kitnithi is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, Kitnithi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kitnithi, กิจนิธิ | Thailand |