Maximilian Oesterhelweg (born 21 July 1990) is a German professional footballer who plays as a winger for Energie Cottbus.

[2] He made his debut for Wiedenbrück on 7 August 2010 in a 1–0 win at Fortuna Düsseldorf before going on to make 18 appearances that season, though he did not score.

Despite a goal from Oesterhelweg to tie the opening promotion play-off match against FSV Zwickau, Elversberg lost the second leg 1–0, thus remaining in the Regionalliga Südwest for the following season.

After 13 goals in 34 appearances for Oesterhelweg, Elversberg finished top of the Regionalliga Südwest in 2016–17, but again lost out in the promotion play-offs, this time to SpVgg Unterhaching.

[11] Oesterhelweg made his debut three days later on 1 February 2020, coming on as a half-time substitute for Tarsis Bonga in a 2–1 victory at SV Meppen.