Name
- Ono, Yoko, artist, singer and peace activist, b 19331
- Oz, satirical magazine, 19631
- Pink Floyd, rock band, 1966-20141
- Rabinowitz, Harold, director of the book packaging firm The Reference Works, fl 2006-20071
- Release, legal advice and representation provider, 1967-1
- Riflemaker, contemporary art space, 2004-1
- Rock's Backpages, online archive of music journalism, 2000-1
- Rogovin, Robert, comics collector, fl 1992-20041
- SOMA, Society of Mental Awareness, drugs research organisation, 1967-1
- Sanders, Ed, American poet, singer, author, publisher and member of The Fugs, b 19391
- Shambhala Publications, independent publishing company, 1969-1
- Soul Purpose Productions, television production company, fl 20001
- South Bank Centre, 1951-1
- Steadman, Anna, wife of Ralph Steadman, fl 19921
- Stone, Bernard, bookseller and writer, 1924-20051
- Teamwork, magazine of the Standing Conference of West Indian Affairs, fl 19641
- The Clash, punk rock band, 1976-19861
- The Fugs, band, 1963-1
- The London Filmmakers Co-operative, film-making workshop, 1966-19991
- The Wire, music magazine, 1982-1