All over the world, สัมพันธมิตร (สัมพันธมิตร 
, Samphantasit , Sumphantasit ) is a very rare male forename. The first name สัมพันธมิตร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. More frequently, สัมพันธมิตร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Samphantasit, Sumphantasit, สัมพันธมิตร, Sampanthamit | Thailand |
Sampantamitr, Samphanthamit, Samphanthasit, Sumpantamitr, and Sumpuntamitr