Family name สิงห์ไกรศร (สิงห์ไกรศร 
) , across the world, is an extremely rare surname. The cognomen สิงห์ไกรศร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สิงห์ไกรศร | Thailand |