Richard L. Breen (June 26, 1918 – February 1, 1967) was a Hollywood screenwriter and director. He began as a freelance radio writer. After a stint in the US Navy during World War II, he began writing for films and worked alone and in collaboration with such distinguished writers as Billy Wilder and Charles Brackett.

He won an Oscar for his work on the screenplay to "Titanic" (1953), and was nominated for "A Foreign Affair" (1948) and "Captain Newman, M.D." (1963).