Thomas Kjer Olsen (born 24 April 1997) is a Danish professional motocross rider.

He has competed in the Motocross World Championships since 2014 and is notable for winning the 2016 European Motocross Championship in EMX250.

[2] In 2021 Kjer Olsen won the opening race of Motocross des Nations in Mantua.

[3] At 12 August 2021 Olsen won 5 GP's in the Motocross World Championship.

[2]