Patricia Ferguson Gallan QPM, known as Pat Gallan, is a British police officer who is Assistant Commissioner Specialist Crime and Operations of the Metropolitan Police, London. She previously served as Deputy Assistant Commissioner (Specialist Operations – Security and Protection) from 2012 to 2015, Assistant Chief Constable (Operations Support) of Merseyside Police from February 2006 to 2012, and also served as temporary Deputy Chief Constable of the force from October 2009 to February 2010.