Olympiacos F.C. is the most successful football club in Greece with seventy-nine (79) major domestic trophies. Actually, they have won a record forty seven League (47) titles, more than half of the total titles, a record twenty-eight (28) Greek Cups and a record four (4) Greek Super Cups.
For the honours of the Youth Sector, see Olympiacos F.C. Youth Academy Honours.
Greek Championships (47) (record)
- Winners (32) (record): 1966, 1967, 1973, 1974, 1975, 1980, 1981, 1982, 1983, 1987, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2020, 2021, 2022
- Runners-up (16): 1961, 1962, 1964, 1968, 1969, 1972, 1977, 1979, 1984, 1989, 1991, 1992, 1995, 2004, 2010, 2019
- Winners (15) (record): 1931, 1933, 1934, 1936, 1937, 1938, 1947, 1948, 1951, 1954, 1955, 1956, 1957, 1958, 1959
- Runners-up (2): 1949, 1953
National Cups (32) (record)
- Winners (28) (record): 1947, 1951, 1952, 1953, 1954, 1957, 1958, 1959, 1960, 1961, 1963, 1965, 1968, 1971, 1973, 1975, 1981, 1990, 1992, 1999, 2005, 2006, 2008, 2009, 2012, 2013, 2015, 2020
- Runners-up (14): 1956, 1962, 1966, 1969, 1974, 1976, 1986, 1988, 1993, 2001, 2002, 2004, 2016, 2021
- Winners (4): 1980, 1987, 1992, 2007[1]
- Runners-up (1): 1990
- Winners (1): 2024
- Winners (1): 1963
Youth Team
- Winners (1): 2024
- Winners (25) (record): 1925, 1926, 1927, 1929 (along with Ethnikos Piraeus F.C.), 1930, 1931, 1934, 1935, 1937, 1938, 1940, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959
- Runners-up (1): 1939
- Southern Greece championship
- Winners (2): 1933, 1934,
- Runners-up (2): 1939, 1940
- Winners (11) (record): 1928, 1929, 1934, 1936, 1943, 1945, 1946, 1949, 1951, 1953, 1959
- Winners (11) (record): 1943, 1948, 1951, 1952, 1953, 1954, 1956, 1959, 1960, 1961, 1962
- Winners (3) (record): 1969,[2] 1972, 1976