Simon M. Marquart (born 1 November 1996) is a Swiss BMX cyclist.

In 2021 he became the first Swiss BMX racer to win a World Cup event when he won his maiden title at the season opener in Verona, Italy.

[1] He was selected in the Swiss team for the Cycling at the 2020 Summer Olympics – Men's BMX racing.

[2] At the 2022 UCI BMX World Championships he finished 1st in the elite men's event.

This biographical article relating to Swiss cycling is a stub.