Family name แมหะ (Ohhh 
, แมหะ ) , globally, is a very rare last name. The surname แมหะ is habitual in Thailand, where it is a rare surname, China, where it is an extremely rare surname, and the United States. Much less frequently, แมหะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ohhh | China, United States, Thailand |
| แมหะ | Thailand |