Scientists

• Richard Lee Armstrong (1937-1991), American-Canadian geologist
• Richard Dawkins (born 1941), English ethologist, evolutionary biologist and author
• Richard Feynman (1918–1988), American Nobel Prize-winning physicist
• Richard D. James (born 1952), American mechanician and materials scientist
• Richard von Krafft-Ebing (1840-1902), Austro-German baron, psychiatrist and author of the foundational work Psychopathia Sexualis.
• Richard Leakey (born 1944), politician, paleoanthropologist and conservationist
• Richard von Mises (1883-1953), Austrian-American scientist and mathematician, brother of Ludwig von Mises
• Richard Swedberg (born 1948), Swedish sociologist at Cornell University

Other

• Richard Armstrong (1903-1986), English author, recipient of the 1948 Carnegie medal for children's literature
• Richard Assman (born 1934), Canadian gas station owner who became famous as "Dick Assman"
• Richard Bergh (1858-1919), Swedish painter
• Richard von Coudenhove-Kalergi (1894-1972), Austrian-Japanese count, founding president of the Paneuropean Union for 49 years.
• Richard Donner (born 1930), American film director and producer
• Richard Edlund (born 1940), American special effects cinematographer
• Richard Garriott (born 1961), British-American video game developer, entrepreneur and private astronaut
• Richard von Hegener (1905–1981), German official, primary organizer of Action T4 Nazi euthanasia program
• Richard Helms (1842-1914), Australian naturalist
• Richard Hermann (1919-2010), Norwegian journalist, writer and radio personality
• Richard Hwan (born 1992), Hong Kong model-TV host based in the Philippines
• Richard Lester (born 1932), American film director based in the UK
• Richard Ling (born 1954), Shaw Foundation professor of Media Technology at Nanyang Technological University, Singapore.
• Richard Lugner (born 1932), Austrian entrepreneur and Viennese society figure
• Richard Matt (1966–2015), American convicted murderer and prison escapee
• Richard Maury (1882–1950), American naturalized Argentine engineer
• Richard Oetker (born 1951), German businessman, CEO of Dr. Oetker since 2010
• Richard Scarry (1919-1994), American children's author and illustrator
• Richard Sorge (1895–1944), Soviet military intelligence officer
• Richard von Volkmann (1830-1889), prominent German surgeon and author of poetry and fiction
• Richard Williams (born 1933), Canadian-British animator
• Richard D. Zanuck (1934-2012), American film producer
• Richard de Zoysa (1958-1990), Sri Lankan journalist, author, human rights activist and actor, who was abducted and murdered on 18 February 1990.