Other
- Richard Abel Smith (1933–2004), British Army officer
- Richard Baird Smith (1818–1861), British engineer officer
- Richard Bowyer Smith (1837–1919), Australian inventor
- Richard B. Smith (1901–1935), wrote the lyrics to the popular song "Winter Wonderland"
- Richard E. Smith (marine biologist), researcher on Pygmy seahorses
- Richard Gordon Smith (1858–1918), British traveler, sportsman and naturalist
- Richard G. Smith (engineer) (born 1929), director of NASA's John F. Kennedy Space Center
- Richard G. Smith (geographer), British geographer
- Richard Harbert Smith (1894–?), professor and researcher of aeronautical engineering
- Richard Harrison Smith (born 1937), choral conductor, arranger and composer
- Richard J. Smith (born 1948), American dentist, anthropologist, head of graduate studies at Washington University in St. Louis
- Richard Langham Smith (born 1947), British academic, head of music at the Open University
- Richard Mills Smith (born 1946), American editor and journalist, Chairman of Newsweek magazine
- Richard Norton Smith (born 1953), U.S. Presidential historian
- Richard O'Brien (born 1942), real name Richard Timothy Smith, TV presenter
- Richard Penn Smith (1799–1854), American playwright
- Richard Sharp Smith (1852–1924), English then American architect
- Richard William Smith (born 1959), Canadian prelate of the Roman Catholic Church
- Richard Smith (bishop) (1568–1655), English Catholic Bishop, titular of Chalcedon in Asia Minor
- Richard Smith (Continental Congress) (1735–1803), lawyer and New Jersey delegate to the Continental Congress
- Richard Smith (diplomat) (born 1934), Australian diplomat, Australian High Commissioner to the United Kingdom
- Richard Smith (East India Company officer) (1734–1803), Commander-in-Chief, India
- Richard Smith (editor), British medical doctor, former editor of the British Medical Journal
- Richard Smith (mining engineer) (1783–1868), English-born mining engineer and politician in Nova Scotia
- Richard Smith (musician) (born 1971), English-born fingerstyle guitarist in Nashville, Tennessee
- Richard Smith (screenwriter/director), Scottish screenwriter, film director, BAFTA-winning writer of Trauma
- Richard Smith (settler) (1596–1666), one of earliest settlers of Rhode Island
- Richard Smith (silent film director) (1886–1937), American silent film director
- Richard Smyth (theologian) (or Smith), (1499–1563) English Catholic scholar, Regius Professor of Divinity at Oxford
- Richard Smith (writer), front page writer at VetVoice, the blog of VoteVets.org
- Ric Smith (Richard C. Smith, born 1944), Australian public servant
- Ricky Smith (Doctor Who), fictional character in British TV series Doctor Who, played by Noel Clarke
- Rickey Smith (singer), contestant on American Idol
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