Across the world, สุวิทธิ์ (สุวิทธิ์ 
) is a very rare primarily boy's, but very seldom feminine first name. The first name สุวิทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly male, but very seldom feminine name.
| VARIANT | COUNTRY |
|---|---|
| สุวิทธิ์ | Thailand |