Surname กิ่งกาญจน์ (Kingkarn 
, Kingkan 
, King Kan ) , in the world, is a rare family name. The last name กิ่งกาญจน์ is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and China, where it is an extremely rare surname. More prevalently, กิ่งกาญจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kingkarn | Malaysia, China, Thailand, United States, Singapore |
| Kingkan | Malaysia, Thailand, India, United States, Singapore |
| King Kan | Malaysia |
Khinggarn, Khingkarn, Kingkarnang, Kingkarnjorn, and Kingkarns