Cognomen Zajan (Zajan 
) , across the world, is a very rare surname. The surname Zajan is characteristic of Czechia, where it is a rare surname, Malaysia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Czechia, the United States, and Germany. Very seldom, Zajan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zajan | United States, Czechia, Malaysia, Germany, India |