Around the globe, สินเพชร (สินเพชร 
, Sinphet ) is a very rare unisex forename. The forename สินเพชร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Likewise, สินเพชร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สินเพชร, Sinphet | Thailand |