Blue Dog may refer to: The Blue Dog Coalition, a group of moderate and conservative Democratic Party members of the United States House of Representatives Blue Dog Lake, a lake in South Dakota Blue Dog, a painting and a featured icon in various works by George Rodrigue Blue Dog Records was a London-based independent record label linked to the Barfly club The Blue Dog, one of the "blue" public houses and inns in Grantham The Blue Dogs (band), an American band formed in 1987

See also Blue's Clues, a television show with a dog named Blue Blue, a general description for the color of some dogs' coats