Others
- Richard Butler, 1st Viscount Mountgarret (1500–1571)
- Richard Butler, 3rd Viscount Mountgarret (1578–1651)
- Richard Butler, 17th Viscount Mountgarret (1936–2004)
- Richard Butler (author) (1844–1928), British dramatist
- Richard Butler (publisher) (1834–1925), Canadian publisher
- Richard Girnt Butler (1918–2004), American founder of the Aryan Nations
- Richard Butler (diplomat) (born 1942), Australian diplomat, arms inspector, and ex-Governor of Tasmania
- Rich Butler (born 1973), baseball player
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