Colin Rourke (born 1 January 1943) is a British mathematician who has worked in PL topology, low-dimensional topology, differential topology, group theory, relativity and cosmology, where he is still active. He is an emeritus professor at the Mathematics Institute of the University of Warwick and a founding editor of the journals Geometry & Topology and Algebraic & Geometric Topology, published by Mathematical Sciences Publishers, where he is a permanent member of its board of directors.[1]