Mad Dog
Mad dog is a phrase commonly attributed to rabid dogs.
Mad Dog may also refer to:

Music
Mad Dog (album), an album by John Entwistle
"Mad Dog", a song by America from Holiday
"Mad Dog", a song by Deep Purple from The House of Blue Light
"Mad Dog", a song by Pentagram from Sub-Basement

People
Johnny Adair (born 1963), Northern Irish loyalist paramilitary
Martin Allen (born 1965), English footballer
Brett Banasiewicz (born 1994), American professional BMX rider
Mike Bell (wrestler) (1971–2008), American professional wrestler
Roger Caron (1938–2012), Canadian robber
Mad Dog Coll (1908–1932), Irish-American gangster
David C. Dolby (1946–2010), US Army Medal of Honor recipient
Charles Gargotta (1900–1950), Italian-American gangster
Jon Hall (programmer) (born 1950), American computer programmer
Gene Hatcher (born 1959), American boxer
Leslie Irvin (serial killer) (1924–1983), 1950s American serial killer
Bob Lassiter (1945–2006), American radio talk show host
Pierre Lefebvre (1955–1985), French-Canadian professional wrestler
Vini Lopez (born 1949), American drummer
Adam MacDougall (born 1975), Australian rugby league player
Jeff Madden, college football strength and conditioning coach
Bill Madlock (born 1951), American baseball player
Mark Madsen (basketball) (born 1976), American basketball coach and former player
Jim Mandich (1948–2011), American football player
Michel Martel (1944–1978), Canadian professional wrestler
Jim Mattis (born 1950), American Marine Corps general and Secretary of Defense
Archie McCafferty, Scottish-born Australian serial killer
Brian McGlinchey (born 1977), Northern Ireland footballer
Dominic McGlinchey (1954–1994), leader of the Irish National Liberation Army paramilitary group
Mad Dog McPhie (born 1971), English professional wrestler
Lewis Moody (born 1978), English rugby union player
Dan Morgan (bushranger) (1830–1865), Australian bushranger
Robbie Muir (footballer) (born 1953), Australian rules footballer
Mad Dog O'Malley, Irish-American professional wrestler
Edgar Ross (boxer) (1949–2012), American boxer
Chris Russo  (born 1959), American sports radio personality
Joseph "Mad Dog" Taborsky (1924–1960), American executed murderer
Michael Taccetta (born 1947), a member of the New Jersey Lucchese crime family
Maurice Vachon (1929–2013), French-Canadian professional wrestler
Dwight White (1949–2008), American football player
Xu Xiaodong (born 1979), Chinese mixed martial artist
Wong Yuk-man (born 1951), Hong Kong politician

Fictional characters
Mad Dog (comics), various characters
Mad Dog (Marvel Comics), a villain
Mad Dog Rassitano, a bounty hunter in the Marvel Universe
Buford "Mad Dog" Tannen, from the film Back to the Future Part III
the title character of Johnny Mad Dog, a 2008 film
Mad Dog, a character from manga and anime series Haikyu!!
Mad Dog Branzillo, in the book A Swiftly Tilting Planet by Madeleine L'Engle
Mad Dog, nickname of Wayne Dobie in the film Mad Dog and Glory
Mad Dog, from the film Hard Boiled, played by Philip Kwok
Mad Dog, from the film Ong Bak, played by David Ismalone
Mad Dog, from the film The Raid: Redemption, played by Yayan Ruhian
the title character of Mad Dog Morgan, a 1976 Australian bushranger film
Tommy "Mad Dog" McCulum, from the South African TV series Isidingo
the title character of Mad Dog McCree, a 1990 laserdisc video game
Mad Dog, a character in the Nintendo DS game Contra 4

Other uses
Mad Dog (TV series), a 2017 South Korean television series
Mad Dog Knives, a knifemaking company
Mad Dog Oil Field, in the Gulf of Mexico
"Mad Dog", an episode of the 1975 television series Survivors
Mad Dog Inc., a group of Texas authors including Bud Shrake
Maddog 20/20, a flavored fortified wine from Mogen David
MadDog, the mascot of the Northeastern University Rugby Club
McDonnell Douglas MD-80, a family of commercial jet liners, nicknamed Mad Dog

See also
The mad dog of the Middle East, a phrase used by U.S. President Ronald Reagan to describe Libyan leader Muammar Gaddafi
Wanderlei Silva (born 1976), Brazilian mixed martial artist nicknamed Cachorro Louco (Portuguese for "mad dog")
Mad-dog skullcap (Scutellaria lateriflora), a plant
Mad Dog Coll (disambiguation)
Mad Dogs (disambiguation)
Mad Dogs and Englishmen (disambiguation)
All pages with titles containing Mad Dog
Goro Majima, known as the "Mad Dog of Shimano" in the Yakuza video game series
Madd Dogg, a video game character in Grand Theft Auto: San Andreas
Wściekły pies (English: mad dog), Polish cocktail