Origin: South Slavic Вања
The name was originally a diminutive form of Ivan, but has been used as an independent given name since the beginning of the 20th-century. It is also used as a feminine name, more so in Scandinavia.
As of 2009, Vanja was the 91st most popular male name in Croatia.
In Russian, Ukrainian and Belarusian, this is used strictly as a nickname for Ivan.
Uncle Vanya is a famous Anton Chekhov play.