Hans Jürgen Kürsch, better known as Hansi Kürsch (born 10 August 1966 in Lank-Latum/Meerbusch, Germany) is a German singer, bass guitarist, and songwriter, best known for being the co-founder, lead vocalist, co-composer, and lyricist of power metal band Blind Guardian. He was also the bassist in Blind Guardian until the 1998 album Nightfall in Middle-Earth. He also provides lead vocals for the band Demons and Wizards.
Although mostly known for being a clean singer nowadays, his early technique made use of a harsher, "screaming" technique. Kürsch can be heard using similar, more aggressive, technique while singing guest vocals for Heaven Shall Burn's cover of "Valhalla."