Russell Davis or Davies may refer to:

• Russ Davis (born 1969), baseball player
• Russell Davis (defensive tackle) (born 1975), National Football League player for the Chicago Bears, Arizona Cardinals, Seattle Seahawks and New York Giants
• Russell Davis (running back) (born 1956), Michigan Wolverines/Pittsburgh Steelers
• Russell Davies (footballer) (born 1954), Australian rules footballer
• Russell Davis (writer) (born 1970), American writer and past president of the Science Fiction Writers of America
• Russell C. Davis (general) (born 1938), United States Air Force general and former Chief, National Guard Bureau
• Russell C. Davis (politician) (1922–1993), mayor of Jackson, Mississippi
• Russell H. Davis (1897–1976), American school administrator and historian
• Derek Russell Davis (1914–1993), British psychiatrist
• Russell Davies (born 1946), British radio presenter and journalist
• Russell T Davies (born 1963), television scriptwriter