Floortje Mackaij (born 18 October 1995) is a Dutch professional road racing cyclist,[3] who currently rides for UCI Women's WorldTeam Movistar Team.

[4] After switching from speed skating to road cycling she became the 2013 junior Dutch National time trial Champion and won a silver medal in the junior time trial at the 2013 European Road Championships.

At the end of 2012 she joined the national selection and changed her main sport from speed skating to cycling.

In June she became Dutch National Time Trial Champion for juniors.

[13] Three days later she finished second behind Amy Pieters in Dwars door Vlaanderen.