Dale Carroll Rosenbloom (March 5, 1907 – April 2, 1979) was an American businessman. He was the owner of two National Football League franchises; he was the first owner of the Baltimore Colts, and later switched teams, taking ownership of the Los Angeles Rams in 1972. During his stewardship of both franchises, Rosenbloom amassed the best ownership winning percentage in league history (.660), a total regular season record of 226 wins, 116 losses, and 8 ties, as well as 3 NFL championships (1958, 1959, 1968), and one Super Bowl (V).