Cognomen Dillar (Dillar 
) , in the entire world, is a rare family name. The last name Dillar is habitual in France, where it is a very rare surname, Philippines, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Philippines, India, and France. Also, Dillar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dillar | Indonesia, Philippines, India, France, United States |