Dag-Eilev Akerhaugen Fagermo (born 28 January 1967) is a Norwegian football coach.

Fagermo became head coach of second tier club Strømsgodset ahead of the 2006 season.

[2][3] Strømsgodset promoted to the top flight in Fagermo's first season in charge and finished in eleventh position in their first season back in the top flight in 2007.

Ahead of the 2008 season, he became head coach at Odd Grenland.

On 31 January 2020, Fagermo was announced as head coach of Vålerenga, replacing Ronny Deila.