Mad dog is a phrase commonly applied to rabid dogs.

Mad Dog may also refer to:

People Nickname Johnny Adair (born 1963), Northern Irish loyalist paramilitary Martin Allen (born 1965), English footballer Brett Banasiewicz (born 1994), American professional BMX rider Charles Brown (1933–1962), American spree killer 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 Charles Kelley (1941–1962), American spree killer Bob Lassiter (1945–2006), American radio talk show host Vini Lopez (born 1949), American drummer Adam MacDougall (born 1975), Australian rugby league player Jeff Madden, college football strength and conditioning coach Greg Maddux (born 1996), American former baseball pitcher 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 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 Lewis Moody (born 1978), English rugby union player Dan Morgan (bushranger) (1830–1865), Australian bushranger Robbie Muir (footballer) (born 1953), Australian rules footballer Edgar Ross (boxer) (1949–2012), American boxer Chris Russo (born 1959), American sports radio personality Joseph "Mad Dog" Taborsky (1924–1960), American spree killer Michael Taccetta (born 1947), American mobster Dwight White (1949–2008), American football player Xu Xiaodong (born 1979), Chinese mixed martial artist Wong Yuk-man (born 1951), Hong Kong politician

Ring name Mike Bell (wrestler) (1971–2008), American professional wrestler Pierre Lefebvre (1955–1985), French-Canadian professional wrestler Michel Martel (1944–1978), Canadian professional wrestler Mad Dog McPhie (born 1971), English professional wrestler Mad Dog O'Malley, Irish-American professional wrestler Maurice Vachon (1929–2013), French-Canadian professional wrestler

Fictional characters Mad Dog (comics), various characters 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, in the Nintendo DS game Contra 4 Madd Dogg, in the 2004 video game Grand Theft Auto: San Andreas

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

Other uses Mad Dog (TV series), a 2017 South Korean television series "Mad Dog", an episode of the 1975 television series Survivors Mad Dog Knives, a knifemaking company Mad Dog Oil Field, in the Gulf of Mexico Mad Dog Inc., a group of Texas authors including Bud Shrake MD 20/20, nicknamed 'Mad Dog', 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)

Goro Majima, known as the "Mad Dog of Shimano" in the Yakuza video game series Wściekły pies (English: mad dog), Polish cocktail