Family name สิงหไชย (สิงหไชย 
) , around the globe, is an extremely rare last name. The cognomen สิงหไชย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, สิงหไชย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สิงหไชย | Thailand |