Admiral Brown may refer to:
Royal Navy Brian Brown (Royal Navy officer) (1934–2020), British Royal Navy admiral David Brown (Royal Navy officer) (1927–2005), British Royal Navy vice admiral Francis Clifton Brown (1874–1963), British Royal Navy vice admiral Harold Brown (Royal Navy officer) (1878–1968), British Royal Navy vice admiral William Brown (Royal Navy officer) (1764–1814), officer (Rear-Admiral) of the British Royal Navy during the Napoleonic Wars
U.S. Coast Guard Erroll M. Brown (born 1950), Rear Admiral in the U.S. Coast Guard, and the first African-American promoted to flag rank Manson K. Brown (born 1956), U.S. Coast Guard vice admiral Peter J. Brown (fl. 2010s–2020s), U.S. Coast Guard rear admiral
U.S. Navy Annette E. Brown, Rear Admiral of the U.S. Navy Brian B. Brown (born 1964), U.S. Navy vice admiral Charles R. Brown (1899–1983), U.S. Navy four-star admiral Clarence John Brown (1895–1973), U.S. Navy vice admiral F. Taylor Brown (1925–2011), U.S. Navy rear admiral George Brown (admiral) (1835–1913), American naval officer John H. Brown Jr. (1891–1963), U.S. Navy vice admiral Nancy Elizabeth Brown (born 1952), American Vice Admiral serving as the Director, Command, Control, Communications and Computer Systems Thomas L. Brown II (born 1960), U.S. Navy rear admiral William A. Brown (admiral) (born 1958), U.S. Navy vice admiral Wilson Brown (admiral) (1881–1957), World War II naval commander
Other William Brown (admiral) (1777–1857), also known in Spanish as Guillermo Brown or Almirante Brown, a hero of Argentina