Robin van Roosmalen (born 1 October 1989) is a Dutch retired kickboxer and mixed martial artist.

[3] After losing a fight against Ajay Balgobind, Van Roosmalen rebounded by knocking out Dutch slugger William Diender with a liver punch and beating the highly regarded Dutch-Moroccan Chahid Oulad El Hadj by decision.

[5][6] Van Roosmalen took a dominant unanimous decision over Yuichiro Nagashima at Glory 4: Tokyo - 2012 Heavyweight Grand Slam in Saitama, Japan on 31 December 2012, dropping "Jienotsu" in round one and scoring with low kicks and hard punches throughout.

[9][10][11][12] He beat Shemsi Beqiri by unanimous decision in a back-and-forth fight at Glory 10: Los Angeles - Middleweight World Championship Tournament in Ontario, California, United States, on 28 September 2013.

On 29 September 2018, at Glory 59, Robin van Roosmalen was defeated by the #1 challenger and Interim champion Petchpanomrung "The Professor" Kiatmookao via unanimous decision (50-45, 50-45, 50-45, 50-45, 50-45).

[30] In February 2016, van Roosmalen made his professional mixed martial arts debut for Final Fight Championship.

[31] On 28 May 2019, Bellator MMA president Scott Coker announced via Twitter that he signed Van Roosmalen to a multi-fight contract.

Van Roosmalen was expected to make his promotional debut in a featherweight bout against Cris Lencioni at Bellator 232 on 26 October 2019.

[34] On 13 January 2021, Van Roosmalen and his younger sister were involved in a car accident in their home country of the Netherlands.