Cognomen تاجان (Tagan 
, تاجان 
) , around the world, is a rare last name. The last name تاجان is habitual in Togo, where it is quite a rare surname, Switzerland, where it is a rare surname, and Turkey. Not in comparison with a country's population, it most frequently occurs in Turkey, Philippines, and Togo. Also, تاجان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tagan | Togo, Philippines, India, Turkmenistan, Turkey |
| تاجان | Iraq |