Globally, สิทธิขันแก้ว (Sitthikhankaew 
, สิทธิขันแก้ว, Sittikhankaeo ) is an extremely rare unknown gender forename. Predominantly, สิทธิขันแก้ว is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sittikhankaew, Sitthikhankaew, Sittikhankaeo | Thailand |