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Bob Brown (born 1944) is the former Australian Greens parliamentary leader.

Bob Brown may also refer to:

Other politicians

• Bob Brown (Australian Labor politician) (1933–2022), former Australian Labor Party politician
• Bob Brown (Montana politician) (born 1947), Secretary of State of Montana

Sports

Association football (soccer)

• Bob Brown (footballer, born 1869) (1869–?), English footballer with Southampton and Queen's Park Rangers in the 1890s
• Bob Brown (footballer, born 1870) (1870–1943), Scottish footballer with Cambuslang, Sheffield Wednesday, Bolton Wanderers, Scotland
• Bob Brown (footballer, born 1895) (1895–1980), English-born footballer who played as a left back

Baseball

• Bob Brown (baseball, born 1876) (1876–1962), member of the Canadian Baseball Hall of Fame
• Bob Brown (pitcher) (1911–1990), American baseball pitcher for the Boston Braves (1930–1936)

Basketball

• Bob Brown (basketball, born 1921) (1921–2001), American basketball player in the NBL in the 1940s
• Bob Brown (basketball, born 1923) (1923–2016), American basketball player in the NBA in the 1940s and 1950s

Gridiron football

• Bob Brown (Canadian football) (1943–2022), American football defensive lineman in the Canadian Football League
• Bob Brown (defensive lineman) (1939–1998), American NFL football player, 1966–1976
• Bob Brown (offensive lineman) (1941–2023), American NFL football player (1964–1973)

Other sports

• Bob Brown (motorcyclist) (1930–1960), Australian motorcycle road racer
• Bob Brown (ice hockey) (born 1950), Canadian former professional ice hockey player who played in the World Hockey Association
• Bob Brown (rugby league) (1907–1987), English rugby league footballer
• Bob Brown (rugby union) (born 1953), rugby union player who represented Australia
• Bob Brown (wrestler) (1938–1997), Canadian professional wrestler

Others

• Bob Brown (comics) (1915–1977), American comic book artist
• Bob Brown (The Unit), a character on the CBS television series The Unit
• Bob Brown (newspaper publisher) (1930–1984), Nevada newspaper editor and publisher
• Bob Brown (writer, poet, publisher) (1886–1959), American writer and publisher

See also

• Bobby Brown (disambiguation)
• Rob Brown (disambiguation)
• Robby Brown (disambiguation)
• Robert Brown (disambiguation)
• Robert Browne (disambiguation)
• Bob Braun (1929–2001), American television and radio personality