Hüsker Dü /ˈhʊskər ˈduː/ was an American rock band formed in Saint Paul, Minnesota in 1979. The band's continual members were guitarist/vocalist Bob Mould, bassist Greg Norton, and drummer/vocalist Grant Hart.

Hüsker Dü first gained notability as a hardcore punk band, later crossing over into alternative rock. Mould and Hart split the songwriting and singing duties.