Annefleur Kalvenhaar (10 June 1994 – 23 August 2014) was a Dutch cyclist and mountain biker.
In Houffalize and La Bresse she finished second place in the top 10.
Kalvenhaar died in Grenoble, France, due to an accident during a UCI World Cup XCE race in Méribel, France.
She fell hard on a bridge, and was taken to hospital by helicopter, where she died the next day.
This biographical article related to a Dutch cycling person born in the 1990s is a stub.