Cognomen สมานจิต (สมานจิต 
, Samanjit 
, Samanchit 
) , all around the world, is a rare last name. The surname สมานจิต is characteristic of Thailand, where it is a rare surname, Switzerland, where it is a very rare surname, and Australia. Also, สมานจิต is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมานจิต | Thailand |
| Samanjit | India, Switzerland, United States, Thailand |
| Samanchit | United States, Thailand, Australia |
| Samarnjit | India, Thailand |
| เทียนชัย สมานจิต Thai priest, TH (b. 1931) |
|