Richard Allen Boone (June 18, 1917 – January 10, 1981) was an American actor who starred in over 50 films and was notable for his roles in Westerns and for starring in the TV series Have Gun – Will Travel.

Boone was born in Los Angeles, California, the middle child of Cecile (née Beckerman) and Kirk E. Boone, a corporate lawyer and 4th great-grandson of Squire Boone 1744–1815, a brother to frontiersman Daniel Boone. His mother was Jewish, the daughter of immigrants from Russia.

Richard Boone graduated from Hoover High School in Glendale, California. He attended Stanford University in Palo Alto, California, where he was a member of Theta Xi fraternity. He dropped out of Stanford prior to graduation and then worked as an oil-rigger, bartender, painter, and writer. In 1941 Boone joined the United States Navy and served on three ships in the Pacific during World War II, seeing combat as an aviation ordnance, aircrewman and tail gunner on Grumman TBF Avenger torpedo bombers and ended his service with the rank of petty officer first class.

In his youth, Boone had attended the San Diego Army and Navy Academy in Carlsbad, California, where he was introduced to theatre under the tutelage of Virginia Atkinson.

After the war, Boone used the G.I. Bill to study acting at the Actors Studio in New York.

In 1950, Boone made his screen debut as a Marine officer in Milestone's Halls of Montezuma (1951). Fox used him in military parts in Call Me Mister (1951) and The Desert Fox: The Story of Rommel (1951). He had bigger roles in Red Skies of Montana (1952), Return of the Texan (1952), Kangaroo (1952) (directed by Milestone), and Way of a Gaucho (1952).

Boone was married three times: to Jane Hopper (1937–1940), Mimi Kelly (1949–1950), and Claire McAloon (from 1951 until his death).

Richard Boone died at his home in St. Augustine, Florida, due to complications from throat cancer. His ashes were scattered in the Pacific Ocean off Hawaii.