Katherine Dumar (born 27 September 1993) is a Colombian taekwondo practitioner.

She won a bronze medal in welterweight at the 2015 World Taekwondo Championships, after being defeated by Nur Tatar in the semifinal.

[1] Her achievements at the Pan American Taekwondo Championships include a gold medal in 2012, a silver medal in 2016, and a bronze medal in 2014.

[2] She won one of the bronze medals in her event at the 2022 South American Games in Asunción, Paraguay.

This biographical article related to taekwondo in Colombia is a stub.