Richard Butler may refer to:

Military

• Richard Butler, 1st Earl of Arran (1639–1686), 1st Earl of Arran, marshal of the army in Ireland, lord deputy of Ireland
• Richard Butler (general) (1743–1791), American Revolutionary War General, later killed fighting Native Americans in Ohio
• Richard Butler (British Army officer) (1870–1935), British Army general, served in World War I
• Richard W. Butler, U.S. Navy aviator and officer

Politicians

• Richard Butler (c. 1510–68 or later), Member of Parliament (MP)
• Sir Richard Butler, 5th Baronet (1699–1771), Irish MP for Carlow County 1730–1761
• Richard Butler (Australian politician) (1850–1925), Premier of South Australia
• Sir Richard Butler, 7th Baronet (1761–1817), Irish and British MP for Carlow County 1783–1790 and 1796–1802
• Richard Layton Butler (1885–1966), Australian politician, Premier of South Australia
• Richard A. Butler (Irish politician), Irish independent senator
• Rab Butler (Richard Austen Butler, 1902–1982), British politician and Chancellor of the Exchequer
• Richard Butler, 1st Earl of Glengall (1775–1819), Irish peer
• Richard Butler, 2nd Earl of Glengall (1794–1858), Irish politician and peer

Musicians

• Richard Butler (singer) (born 1956), lead singer of The Psychedelic Furs and former lead singer of Love Spit Love
  • Richard Butler (album), the singer's self-titled album released in 2006
• Richard Preston Butler Jr., real name of rapper/songwriter Rico Love

Others

• Richard Butler, 1st Viscount Mountgarret (1500–1571)
• Richard Butler, 3rd Viscount Mountgarret (1578–1651)
• Richard Butler, 17th Viscount Mountgarret (1936–2004), British soldier
• Richard Butler (author) (1844–1928), British dramatist
• Richard Butler (Dean of Clonmacnoise), 19th-century Irish Anglican priest
• Richard Butler (English priest) (died 1612), English priest
• Richard Butler (publisher) (1834–1925), Canadian publisher
• Richard Butler (white supremacist) (1918–2004), American founder of the Aryan Nations
• Richard C. Butler (1929–2012), British farmer and banker, President of the National Farmers' Union
• Richard E. Butler, general secretary of the International Telecommunication Union 1983–89, Australian federal public servant
• Richard Butler (diplomat) (born 1942), Australian diplomat, arms inspector, and former governor of Tasmania
• Richard Butler, American businessman and eponym of Butler, New Jersey
• Rich Butler (born 1973), baseball player
• Richard J. Butler, palaeontologist