Brownlee is a surname. Notable people with the surname include:
Alistair Brownlee (born 1988), British triathleteCharles Brownlee (1821–1890), Cape Colony politicianDerek Brownlee (born 1974), Scottish politicianDonald E. Brownlee, American astronomerEdward M. Brownlee, American sculptorGerry Brownlee (born 1956), New Zealand politicianJohn Brownlee (statistician) (1868–1927), British statisticianJohn Brownlee (baritone) (1900–1969), Australian operatic baritoneJohn Edward Brownlee (1884–1961), Canadian politicianJonny Brownlee (born 1990), British triathleteLawrence Brownlee, American operatic tenorLes Brownlee, American army officer and politicianMark Brownlee (born 1942), New Zealand representative rowerMarques Brownlee (born 1993), American video bloggerRobert Brownlee (1942–1991), American chemistRyan Brownlee (born 1976), American college baseball coachScott Brownlee (born 1969), New Zealand representative rowerWilliam Craig Brownlee (1784–1860), American clergyman