Marko Brecelj (born 30 April 1951 – 4 February 2022) was a Slovenian and Yugoslav musician, conceptual artist and activist. Known for his work with the avant-rock band Buldožer and as a solo artist, Brecelj was noted for his experimental and deconstructivist music, humorous and provocative performances and public actions, as well as eccentric public persona.
Brecelj first attracted the attention of the Yugoslav public in early 1970s, as the leader of the band Krik.