Colin McLay (born 1942) is a retired New Zealand marine biologist. Educated at the University of Otago and the University of British Columbia, he served as an Associate Professor of Marine Biology at the University of Canterbury. He discovered several species of crab, including Desmodromia tranterae, Euryxanthops chiltoni, and Hirsutodynomene vespertilio.
- "Assoc. Prof. Colin McLay - People - Biological Sciences". University of Canterbury. Retrieved 8 December 2013.
- Komatsu; et al. (2012). Studies on Eumalacostraca: a homage to Masatsune Takeda. Brill Publishers. p. 183. ISBN 9004202897.
- McLay, Colin; Ng, Peter (2007). "Two new species of deep-water xanthid crabs of the genera Euryxanthops Garth & Kim, 1983, and Medaeops Guinot, 1967 (Crustacea: Decapoda: Brachyura: Xanthidae) from New Zealand". Zootaxa. Magnolia Press (1385). ISSN 1175-5334. OCLC 49030618.
- McLay, Colin; Ng, Peter (2005). "On a collection of Dromiidae and Dynomenidae from the Philippines, with description of a new species of Hirsutodynomene". Zootaxa. Magnolia Press (1029). ISSN 1175-5334. OCLC 49030618.