Cognomen Leaha (Leaha 
) , globally, is a rare family name. The cognomen Leaha is habitual in Romania, where it is a rare surname, South Africa, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Romania, South Africa, and the United States. Also, Leaha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leaha | Australia, United States, Romania, South Africa, Canada |