Mister Brown
Mister Brown or Mr Brown can refer to:

People
John Brown (servant), Scottish personal attendant and favourite of Queen Victoria for many years
mrbrown, Lee Kin Mum, a Singaporean blogger
"Mr. Brown", the code name used by Peter Macari during his extortion of 500,000 dollars from Qantas in March 1971
A pseudonym of William Makepeace Thackeray

Fictional characters
Mr. Brown, the character played by Quentin Tarantino in Reservoir Dogs
Deacon Leroy Brown, a character in the TV show Meet the Browns
Mr Henry Brown, character in the Paddington Bear fictional universe
Mr Brown/Jeremy Brown, the English teacher in the British show Mind Your Language

Other uses
Mr. Brown Coffee, a Taiwanese coffee brand
"Mr. Brown", a song from Styles of Beyond's Megadef
Mr. Brown (album), an album by Sleepy Brown
"Mr. Brown" (song), a song by Bob Marley

See also
List of people with surname Brown
Mrs. Brown (disambiguation)