Brewin is a surname of the following people: Members of Canada's political family Andrew Brewin (1907–1983), Canadian lawyer and politician Gretchen Brewin (born 1938), Canadian politician and wife of John John Brewin (born 1936), Canadian politician, son of Andrew, and husband of Gretchen Arthur Winbolt Brewin (1867–1946), Hong Kong government official Beryl Brewin (1910–1999), New Zealand marine zoologist Christopher Brewin (1945–2018), British international relations scholar Frank Brewin (1909–1976), Indian field hockey player Jennifer Brewin, Canadian theatre creator and artistic director John A. Brewin (1876–1938), American college sports coach Luc Brewin (born 2002), French multi-event athlete