Family name Appar (Appar 
) , in the world, is a rare last name. The cognomen Appar is habitual in India, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and the United States. More frequently, Appar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Appar | India, Malaysia, United States, Georgia, France |