Cognomen หา (Ha 
, หา 
) , in all the world, is a widespread last name. The surname หา is habitual in Myanmar, where it is a common surname, Brunei, and Macao (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Myanmar, India, and Vietnam. Likewise, หา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ha | Myanmar, Algeria, Vietnam, China, India |
| หา | Thailand |