Brownlow is a surname. Notable people with the surname include:
Baron Brownlow, a title in the Peerage of Great Britain
Brownlow baronets, two Baronetcies
Adelbert Brownlow-Cust, 3rd Earl Brownlow (1844–1921), British soldier and politician
Charles Brownlow, 1st Baron Lurgan (1795–1847), Irish politician
Charles Brownlow, 2nd Baron Lurgan (1831–1882), Anglo-Irish politician
Chas Brownlow (1861–1924), Australian rules football administrator for whom the Brownlow Medal is named
David Brownlow, sound engineer
Charles Henry Brownlow (1831-1916), senior Indian army officer
Kevin Brownlow (born 1938), British filmmaker and film historian
Louis Brownlow (1879–1963), American political scientist and consultant on public administration; chairman of the Brownlow Committee
Peregrine Cust, 6th Baron Brownlow (1899–1978), British peer
Walter P. Brownlow (1851–1910), American politician
William Gannaway Brownlow (1805–1877), American journalist, clergyman and politician
Fictional characters:
Mr. Brownlow, from Charles Dickens's novel Oliver Twist
Charles Brownlow (The Bill), from the TV series The Bill