Dyan may refer to:
People Dyan Birch (1949–2020), British singer Dyan Buis (born 1990), South African Paralympic athlete Dyan Cannon (born 1937), American actress, director, screenwriter, producer, and editor Dyan Castillejo (born 1965), Filipino tennis player and sports reporter Dyan Sheldon, American novelist Marissa Dyan (born 1975), American actress
Other uses Dyan, County Tyrone; see List of townlands of County Tyrone Dyan language, a Gur language of Burkina Faso DYAN-TV, a Philippine television station in Cebu City
See also Dhyan Chand (1905–1979), Indian hockey player