Markus Oscarsson (born 9 May 1977 in Västerås) is a Swedish sprint kayaker who has competed since 1995.

[1] Oscarsson won two silver medals at the 1995 World Junior Championships in Yamanashi, Japan, finishing behind Hungary's Zoltan Kammerer in both the K-1 500 m and K-1 1000 m finals.

The following month he became K-1 1000 m world champion in Szeged, Hungary, edging out Britain's Tim Brabants by 0.06 sec.

This was Sweden's first gold medal in canoeing's Blue Riband event since the late Gert Fredriksson's victory in 1954.

[2] At the 2012 Summer Olympics, Oscarsson and Nilsson reached the final of the men's K-2 1000 m event, but finished in 5th place.