Throughout the world, ทวิศักดิ์ (ทวิศักดิ์ 
) is a very rare largely masculine, but seldom girly forename. The given name ทวิศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare dominantly masculine, but seldom feminine name.
| VARIANT | COUNTRY |
|---|---|
| ทวิศักดิ์ | Thailand |