All over the world, สิทธิมา (สิทธิมา 
, Sittima 
) is a rare largely feminine, but seldom boy's first name. The given name สิทธิมา is habitual in South-eastern Asia, particularly Thailand, where it is a rare epicene name, and Indonesia, where it is a very rare girly name. Likewise, สิทธิมา is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สิทธิมา | Thailand |
| Sittima | Philippines, Thailand, India, Indonesia, Malaysia |