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Cognomen Sittaya (สิธยา , Sittaya
, สิทธิยะ
) , worldwide, is a rare last name. The surname Sittaya is characteristic of Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Also, Sittaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สิทยา, สิธยา, สิทธิยะ | Thailand |
| Sittaya | India, Thailand, United States |
Saeyong, Buathong, Changpakorn, Thanachodwattana, Punyapratheep, and Hiranwongweera