Richard, Rich, Richie, Rick, or Rik Simpson may refer to
Arts and entertainment Richard James Simpson (born 1967), American singer and guitarist Chubb Rock (Richard Simpson, born 1968), Jamaican-American rapper Rick Simpson, American set decorator Rik Simpson, British record producer, musician and songwriter
Law and politics Richard F. Simpson (1798–1882), U.S. representative from South Carolina Richard M. Simpson (1900–1960), U.S. representative from Pennsylvania Richard H. Simpson (1905–1968), American politician in Florida Dick Simpson (politician) (born 1940), American politician in Chicago Richard Simpson (Scottish politician) (born 1942), Scottish politician
Religion Richard Simpson (martyr) (–1588), English Catholic priest Richard Simpson (writer) (1820–1876), British Roman Catholic writer and literary scholar Rick Simpson (bishop) (Richard Lee Simpson, born 1966), British Anglican bishop
Sports Richard Simpson (rugby union) (–?), rugby union player who represented Australia Dick Simpson (born 1943), American baseball outfielder Richie Simpson (born 2003), Scottish rugby union player
Others Richard Hope Simpson (1930–2016), British classical archaeologist Richard O. Simpson (1930–2023), American businessman Richard J. Simpson, Australian professor of biochemistry
Other uses Rick Simpson Oil, cannabis preparation