Sascha Konietzko (born 21 June 1961), also known as Sascha K and Käpt'n K, is a German musician and producer of Polish descent. He is the founder, frontman, and "anchor" of industrial rock band KMFDM. Konietzko jokingly purports himself to be the father of industrial rock.Keyboard Magazine wrote of him, "You won't find a more imaginative or effective keyboardist on the hard-core scene."
Konietzko is best known for his role as frontman of KMFDM. Having founded the group as a performance art project in 1984, he is the only member of KMFDM to appear on every release, and the only founding member still in the band. His main instruments are keyboards and drums, although he is also proficient at playing guitar and bass guitar.