Cognomen Биттар (Bittar 
, Биттар 
) , in the entire world, is a common family name. The last name Биттар is characteristic of Paraguay, where it is quite a common surname, Lebanon, and Syria. Measured by absolute frequency, it is the most numerous in India, Paraguay, and Syria.
| VARIANT | COUNTRY |
|---|---|
| Bittar | Syria, Lebanon, Paraguay, India, Brazil |
| Биттар | Russia |