Brownlee is a surname. Notable people with the surname include:
Alistair Brownlee (born 1988), British triathlete
Charles Brownlee (1821–1890), Cape Colony politician
Derek Brownlee (born 1974), Scottish politician
Donald E. Brownlee, American astronomer
Edward M. Brownlee, American sculptor
Gerry Brownlee (born 1956), New Zealand politician
John Brownlee (statistician) (1868–1927), British statistician
John Brownlee (baritone) (1900–1969), Australian operatic baritone
John Edward Brownlee (1884–1961), Canadian politician
Jonny Brownlee (born 1990), British triathlete
Lawrence Brownlee, American operatic tenor
Les Brownlee, American army officer and politician
Mark Brownlee (born 1942), New Zealand representative rower
Marques Brownlee (born 1993), American video blogger
Robert Brownlee (1942–1991), American chemist
Ryan Brownlee (born 1976), American college baseball coach
Scott Brownlee (born 1969), New Zealand representative rower
William Craig Brownlee (1784–1860), American clergyman