Cognomen สิทธิโชคธรรม (สิทธิโชคธรรม 
, Sittsichobthum , Sitthishoptham) , in the world, is a rare surname. The cognomen สิทธิโชคธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sittsichobthum, สิทธิโชคธรรม | Thailand |
Sitthichobtham, Sitthichoktham, Sitthichopthum, Sittichobthum, Sittichocktham, Sittichoktam, and Sittichoktham