Family name Conja (Conja 
) , in the entire world, is a very rare cognomen. The last name Conja is habitual in Mauritius, where it is quite a rare surname, Philippines, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, the name is most common in Mauritius, Philippines, and Nigeria. Likewise, Conja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Conja | Philippines, United States, Netherlands, Nigeria, Mauritius |