Gender: Masculine
Origin: Czech/Polish
Pol/Germ/Est: (YAH-nek)

The name is from the Polish and Czech diminutive form of Jan, which is a cognate for John. The name is strictly used as a diminutive form in Poland and the Czech Republic, but has become a common independent given name in German-speaking countries, (especially in East Germany) and in Estonia.

Currently, Janek is the 346th most popular male name in Germany, (2011).

Another German rendition is Jannek.