Ceylin del Carmen Alvarado (born 6 August 1998) is a Dominican-born Dutch cyclist, who currently competes in cyclo-cross for UCI Cyclo-cross Team Alpecin–Deceuninck,[3] and in road cycling for UCI Women's Continental Team Fenix–Deceuninck.

[4] In 2018, she won the gold medal in the Under-23 race at the UEC European Cyclo-cross Championships in Rosmalen.

[5] She repeated this feat in 2019.

On 1 February 2020 she became world champion in the elite category at the 2020 UCI Cyclo-cross World Championships in Dübendorf, Switzerland.

As of November 2020[update], Alvarado is in a relationship with fellow pro cyclist Roy Jans.