Robert William Barker (born December 12, 1923) is an American retired television game show host. He is known for hosting CBS's The Price Is Right from 1972 to 2007, making it the longest-running daytime game show in North American television history. He is also known for hosting Truth or Consequences from 1956 to 1975.

Born in Darrington, Washington, in modest circumstances, Barker enlisted in the United States Navy during World War II. He worked part-time in radio while attending college. In 1950, he moved to California to pursue a broadcasting career. He was given his own radio show, The Bob Barker Show, which ran for six years. He began his game show career in 1956, hosting Truth or Consequences. He subsequently hosted various game shows, and the Miss Universe and Miss USA pageants from 1967 to 1987, giving him the distinction of being the longest-serving host of those pageants. He began hosting The Price Is Right in 1972. When his wife Dorothy Jo died of lung cancer at age 57 in 1981, he became an advocate for animal rights and of animal rights activism, supporting groups such as the United Activists for Animal Rights and the Sea Shepherd Conservation Society. In 2007, he retired from hosting The Price Is Right after celebrating his 50-year career on television. In the years after his retirement, Barker continued to make occasional public appearances from 2009 to 2017.