Last name หาญประสิทธิ์คำ (หาญประสิทธิ์คำ, Hanprasitkam 
) , worldwide, is a very rare cognomen. The last name หาญประสิทธิ์คำ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hanprasitkam | Thailand |