Brian Trevor Colvin (born 17 January 1946) is a British haematologist.
Colvin attended Sevenoaks School, and then Clare College, Cambridge, where he attained MA and MB BChir degrees.
He was director of postgraduate medical and dental education at the Royal Hospitals NHS Trust, London 1996-99, and Dean of Queen Mary's School of Medicine and Dentistry 1998-2008.
He was president of the Council of the Pathology Section of the RSM (1996–98), and of the Barts and The London Alumnus Association (2007–11).
[1] Colvin is the author of 59 published papers and 14 books and chapters related to haematology.