Cleveland Browns

• Western Division (1946–1948)
  

National Football League (1950–present)

• American Conference (1950–1952)
• Eastern Conference (1953–1969)
  • Century Division (1967–1969)
• American Football Conference (1970–1995; 1999–present)
  • AFC Central (1970–1995; 1999–2001)
  • AFC North (2002–present)

• The Brownies

• AAFC championships (4)
  1946, 1947, 1948, 1949
• NFL championships (pre-1970 AFL–NFL merger) (4)
  1950, 1954, 1955, 1964

• NFL American: 1950, 1951, 1952
• NFL Eastern: 1953, 1954, 1955, 1957, 1964, 1965, 1968, 1969

• AAFC Western: 1946, 1947, 1948
• NFL Century: 1967, 1968, 1969
• AFC Central: 1971, 1980, 1985, 1986, 1987, 1989

• AAFC: 1946, 1947, 1948, 1949
• NFL: 1950, 1951, 1952, 1953, 1954, 1955, 1957, 1958, 1964, 1965, 1967, 1968, 1969, 1971, 1972, 1980, 1982, 1985, 1986, 1987, 1988, 1989, 1994, 2002, 2020, 2023

• Cleveland Stadium (1946–1995)
• Huntington Bank Field (1999–present)

• Arthur B. McBride (1944–1953)
• Dave Jones (1953–1961)
• Art Modell (1961–1995)
• Al Lerner (1998–2002)
• Randy Lerner (2002–2012)
• Jimmy & Dee Haslam (2012–present)