RK Zagreb (full name Ragbi klub Zagreb, English: Rugby Club Zagreb) is a rugby union club from Zagreb, Croatia. It participates in the Croatian Rugby Championship, the Croatian Rugby Cup and the Interleague. The club was founded on February 16, 1964.
Club offices are situated at Kranjčevićeva 4, Zagreb.
The club won the Rugby Championship of Yugoslavia six times, and won the Croatian rugby championship twice.
Trophies
Championships
Croatian: - winners 2: 1993/94, 2000/01 Yugoslav: - winners 6: 1974/75, 1975/76, 1976/77, 1977/78, 1979/80, 1980/81
Cups
Croatian cup: - winners 3: 1996, 2002, 2003 Yugoslav cup: - winners 2: 1974, 1980
Interleague: - champions 1: 2005/06