OK Crvena Zvezda
- National Champion 1951, 1954, 1956, 1957, 1974, 2003, 2008
- National Cup Winners' Cup in 1960, 1972, 1973, 1975, 1991, 1993, 1998, 2009
Women
- National Champion 1959, 1962, 1963, 1964, 1965, 1966, 1967, 1969, 1970, 1971, 1972, 1975, 1976, 1977, 1978, 1979, 1982, 1983, 1992, 1993, 2002, 2003, 2004, 2010
- National Cup Winners' Cup in 1972, 1975, 1977, 1980, 1983, 1984, 1992, 1993, 2002, 2010
The OK Red Star Belgrade ( Serbian Cyrillic Одбојкашки клуб Црвена звезда, Odbojkaschki club Zrwjena Zvezda, often also OK Zrvena Zvezda ) is a Serbian volleyball club from Belgrade. The club originally belonged to the sports club Red Star Belgrade, but is now independent. The club operates a women's and men's division and is one of the most successful Serbian volleyball clubs.
- 2.1 Men
- 2.2 Women
Achievements
- National championship Yugoslavia ( 5): 1951, 1954, 1956, 1957, 1974
- Serbia (2): 2003, 2008
- Cup Wins: 8 Yugoslavia: 1960, 1972, 1973, 1975, 1991, 1993, 1998
- Serbia: 2009
Women
- CEV Cup ( before 2007 / 2007 onwards): Runners-up: 1985/86, 2009/10
- Third place: 2007/ 08
- National championship Yugoslavia ( 18): 1959, 1962, 1963, 1964, 1965, 1966, 1967, 1968/69, 1969/70 1970 /71 1971/72 1974 /75 1975/76 1976 /77 1977/78, 1978/79, 1981/82, 1982/83
- Serbia (6): 1991/92, 1992/93, 2001/ 02, 2002/ 03, 2003/ 04, 2009/10
- National Cup wins: 10 Yugoslavia: 1971/72 1974 /75 1976/77 1979 /80 1982/83 1983 /84 1991/92, 1992/93,
- Serbia: 2001/ 02, 2009/10
Team 2009/10
Coach: Željko Bulatović Serbia Serbia
Women
Coach: Ratko Pavličević Serbia Serbia
Well-known former players
- Serbia Vladimir Batez
- Serbia Novica Bjelica
- Serbia Dejan Bojović
- Serbia Aleksandar Boričić
- Serbia Dejan Brđović
- Serbia Bojan Janić
- Serbia Rajko Jokanović
- Serbia Nikola Kovačević
- Serbia Vlado Petkovic
- Serbia Marko Samardzic
- Serbia Dragan Stanković
- Serbia Željko Tanasković
- Serbia Milan Vasic
- Russia Olga Tschkournowa
- Serbia Ivana Đerisilo
- Bulgaria Neli Marinova
- Cuba Liana Mesa
- Serbia Maja Ognjenovic
- Serbia Maja Simanic
- Serbia Anja Spasojevic