Lucy Brown (born 1979) is an English actress.

Lucy Brown may also refer to:

• Lucy Brown (band), a 1990s Washington D.C. area funk-metal band
• Lucy Brown (1991 album)
• Lucy Barnes Brown (1859–1921), American amateur golfer
• Lucy Brown (tennis) (born 1993), British tennis player
• Lucy Brown, a character in The Threepenny Opera
• Lucy Hughes Brown (1863–1911), first African-American woman physician in South Carolina
• Lucy J. Brown, African-American activist and public official in Ithaca, New York
• Lucy Madox Brown (1843–1894), British artist, author and model