Johan Niemann (born 26 June 1977) is best known for being the current bass player for Evergrey and co-founding the band Mind's Eye, for membership of Swedish heavy metal band Therion and as a member of the Scandinavian theatrical metal band Evil Masquerade. He is also currently live guitarist for Tiamat. He is a brother of Kristian Niemann.
Johan Nieman founded Mind's Eye and plays in two bands currently.