Johan Wilhelm Niemann[1] (born 26 June 1977)[2][3] is a Swedish musician best known as the current bassist of Evergrey and for co-founding the band Mind's Eye.

He was also a member of Swedish symphonic metal band Therion[4] and Scandinavian metal band Evil Masquerade,[5] among others.

He is the brother of Kristian Niemann.

[6] Niemann is/was a member of the following bands:

This article about a Swedish guitarist is a stub.