Demi de Jong (born 11 February 1995) is a Dutch former road cyclist.

As a junior, de Jong won the bronze medal in the women's junior time trial at the 2012 UCI Road World Championships.

In her last season she rode for UCI Women's Continental Team VolkerWessels Women Cyclingteam,[5] but ended her career in July 2022 due to a knee injury.

[6] She is the younger sister of the 2016 Cyclo-cross World Champion, Thalita de Jong.

This biographical article related to a Dutch cycling person born in the 1990s is a stub.