Manglerud Star Fotball is an association football club based in Oslo, Norway.

Manglerud Star Fotball went bankrupt on April 4, 2011, and withdrew all their teams from competition; the club was refounded in 2013.

Oslo Øst played their home games at Lambertseter stadion, a multi-use stadium in the borough of Nordstrand.

In 2001, Oslo Øst won promotion the 1st Division, and managed to retain their spot in the league.

During the six years in which Oslo Øst existed they were continuously hampered by financial problems, with the greater costs associated with playing in the 1st Division in 2006, the club faced imminent insolvency.