Crystal Leefmans (born 6 January 1995) is a Surinamese badminton player.

[1] In 2010, she won the bronze medals at the Medellín South American Games in the mixed doubles and team event.

[2] In 2011, she won the mixed doubles title at the Carebaco International tournament in the individuals event of the Carebaco Games partnered with Mitchel Wongsodikromo.

[4][5] In 2018 she won the mixed doubles Carebaco International title again at home, this time partnering compatriot Dylan Darmohoetomo.

Crystal Leefmans, who originates from Badminton Club Lelydorp and switched to club TNF after moving to the capital city of Paramaribo, was voted Female Badminton Player of the year in Suriname in 2010, 2012, 2013, 2014 & 2015.