Throughout the world, สิทธิพันธ์ (สิทธิพันธ์ 
, Sittipan 
, Sitthiphan 
) is quite a rare predominantly boy's, but very seldom girly first name. The given name สิทธิพันธ์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare primarily masculine, but scarcely female name. Also, สิทธิพันธ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สิทธิพันธ์, Sitthipan | Thailand |
| Sittipan | United States, Thailand |
| Sitthiphan | Laos, Thailand |
Aitthiphan, Siddhiphan, Sidthiphan, Sithiphan, Sithiphanh, Sithtipan, Sithtipun, Sitiphan, Sittaphan, Sitthipanch, Sitthiphun, Sitthipun, Sittipant, Sittiphan, Sittiphun, Sittipun, and Sittipunt
| สิทธิพันธ์ กลมเกลี้ยง Thai actor, TH (b. 1983) |
|