The Penn Quakers men's basketball team is the college basketball program representing the University of Pennsylvania. As the twentieth-winningest men's basketball program of all-time, the team from Penn had its greatest success from 1966 to 2007, a period of over 40 years. Penn plays in the Ivy League in NCAA Division I.
On March 20, 1897, Penn and Yale played in the first basketball game with five players on a team. Prior to the formation of the Ivy League in 1956 Penn was a member of the Eastern Intercollegiate League from 1903 through 1955. Penn won 13 EIL Regular Season Championships – 1906, 1908, 1916, 1918, 1920, 1921, 1928, 1929, 1934, 1935, 1937, 1945, 1953. Penn was retroactively recognized as the pre-NCAA Tournament national champion for the 1919–20 and 1920–21 seasons by the Helms Athletic Foundation and for the 1919–20 season by the Premo-Porretta Power Poll.
Penn has appeared in one Final Four, in 1979. Penn and Princeton are tied for the most Ivy League regular season championships with 26 each. Penn has won 21 outright championships to Princeton's 18 outright championships.