Olympiacos Volleyball

Olympiacos Men's Volleyball (Greek: Ολυμπιακός, ), commonly referred to as Olympiacos, Olympiacos Piraeus or with its full name as Olympiacos CFP, is the men's volleyball department of the major Greek multi-sport club, Olympiacos CFP, based in Piraeus, Attica. The department was founded in 1926 and their home ground is the Melina Mercouri Indoor Hall in Agios Ioannis Rentis, Piraeus.

Olympiacos is the most successful club in Greek volleyball history, having won 29 Greek Volley League titles, 16 Cups, 6 League Cups, all national records, and 2 Super Cups. They are the only volleyball club in Greece to have won a European competition, with 2 CEV Cup Winners' Cup/CEV Top Teams Cups (1996, 2005), and a traditional powerhouse in European volleyball, having been runners-up in all three main CEV competitions, two times in the CEV Champions League (with seven final four participations), two in the CEV Cup and one in the CEV Challenge Cup, totalling seven European finals.

Domestically, Olympiacos holds the record for the most consecutive championships won, with eight in a row (1987–1994), and for winning seven championships undefeated (1968, 1974, 1979, 1981, 1988, 1991, 2018). Internationally, their most successful period was between 1992 and 2005, when they came to be included amongst the top volleyball powers in Europe. During this period, apart from their two European trophies, they progressed to eleven final fours in total, seven of them consecutive between 1992–1998 (the first four in the CEV Champions League and the next three in the CEV Cup Winners' Cup); they also won a fourth place in the CEV Super Cup and a third in the FIVB Volleyball Men's Club World Championship. Olympiacos came to European prominence again by playing in the 2017–18 CEV Challenge Cup final; a