Madeleine Kanstrup Dupont (born 26 May 1987 in Glostrup, Denmark[1]) is a Danish curler from Copenhagen.

She currently skips her own team with teammates Mathilde Halse, Jasmin Holtermann, My Larsen, and Denise Dupont (Madeleine's sister).

She won two bronze medals at the European Championships, throwing last rocks for Denmark, in 2008 and 2009.

[4][5] At the Olympics, Dupont threw last rocks for her country at the 2010 Vancouver Games, where the team finished in fourth place.

[6] On the World Curling Tour, she won the Yi Chun Ladies International event in Yichun, Heilongjiang in December 2011 and the 2021 Women's Masters Basel.