Family name มานะไชย (มานะไชย 
) , in the entire world, is an extremely rare surname. The last name มานะไชย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, มานะไชย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| มานะไชย | Thailand |