Morten Nielsen may refer to: Morten Nielsen (poet) (1922-1944), Danish poet Morten Nielsen (born 19??), Danish bioinformatician Morten Nielsen (footballer born 1990), Danish footballer Morten Nielsen (footballer born 1982), Danish footballer Morten Nielsen (footballer born 1971), former Danish footballer Morten Nielsen (rower) (born 1980), Danish Olympic rower Morten B. Nielsen (born 1974), former Danish footballer