William E. Page II, better known as Billy Page, was an American musician, songwriter, and producer. He is best known for writing "The 'In' Crowd", which was a 1965 hit for both Dobie Gray and The Ramsey Lewis Trio. The song was also a 1974 hit for Bryan Ferry. Other songs he wrote include "", a 1968 hit for Leslie Uggams; "", a 1974 hit for Leon Haywood; and "" (co-written with his brother Gene Page), a 1974 hit for Solomon Burke. Page also produced his brother Gene's musical score for the 1972 film Blacula.