List of people that, at different times, have been members of the Situationist International:
Algerian Section
- Hadj Mohamed Dahou
- Abdelhafid Khatib
American Section
- Robert Chasse
- Bruce Elwell
- Jan Horelick
- Tony Verlaan
Belgian Section
- Walter Korun
- Attila Kotányi
- Rudi Renson
- Jan Strijbosch
- Raoul Vaneigem
- Maurice Wyckaert
- Jacqueline de Jong
- Har Oudejans
English Section
- Timothy (T. J.) Clark
- Chris Gray (1942–2009)
- Donald Nicholson-Smith
- Charles Radcliffe
- Ralph Rumney (1934–2002)
French Section
- Francois de Beaulieu
- Michele Bernstein
- Patrick Cheval
- Alain Chevalier
- Guy Debord (1931 - 1994)
- Edith Frey
- Theo Frey
- Jean Garnault
- Anton Hartstein
- Herbert Holl
- Mustapha Khayati
- Ndjangani Lungela
- Rene Riesel
- Christian Sebastiani
- Patrick Straram
- René Viénet
German Section
The SPUR Group
- Erwin Eisch
- Heinz Hofl
- Renee Nele
- Gretel Stadler
Excluded in February 1962
- Lothar Fischer
- Dieter Kunzelmann
- Heimrad Prem
- Helmut Sturm (1914–1973)
- Stefan Larsson
- Peter Laugesen
- Katja Lindell
- Jeppesen Victor Martin
- Jørgen Nash