Surname ฤทธิ์เกริกไกร (ฤทธิ์เกริกไกร 
) , all around the world, is an extremely rare family name. The surname ฤทธิ์เกริกไกร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์เกริกไกร | Thailand |