Mad Dog
- A Swiftly Tilting Planet
- Adam MacDougall
- Archie McCafferty
- Bill Madlock
- Bob Lassiter
- Brett Banasiewicz
- Brian McGlinchey
- Bud Shrake
- Buford "Mad Dog" Tannen
- Charles Brown and Charles Kelley
- Charles Gargotta
- Chris Russo
- Contra 4
- Dan Morgan (bushranger)
- David C. Dolby
- Dominic McGlinchey
- Dwight White
- Edgar Ross (boxer)
- Gene Hatcher
- Goro Majima
- Greg Maddux
- Hard Boiled
- Holiday (America album)
- Isidingo
- Jeff Madden
- Jim Mandich
- Jim Mattis
- Johnny Adair
- Johnny Mad Dog
- Jon Hall (programmer)
- Joseph "Mad Dog" Taborsky
- Leslie Irvin (serial killer)
- Lewis Moody
- List of Haikyu!! characters
- MD 20/20
- Mad Dog (Marvel Comics)
- Mad Dog (TV series)
- Mad Dog (album)
- Mad Dog (comics)
- Mad Dog Coll
- Mad Dog Coll (disambiguation)
- Mad Dog Knives
- Mad Dog McCree
- Mad Dog McPhie
- Mad Dog Morgan
- Mad Dog O'Malley
- Mad Dog Oil Field
- Mad Dog Rassitano
- Mad Dog and Glory
- Mad Dogs (disambiguation)
- Mad Dogs and Englishmen (disambiguation)
- Mad-dog skullcap
- Mark Madsen (basketball)
- Martin Allen
- Maurice Vachon
- McDonnell Douglas MD-80
- Michael Taccetta
- Michel Martel
- Mike Bell (wrestler)
- Northeastern University Rugby Club
- Ong Bak
- Pierre Lefebvre
- Robbie Muir (footballer)
- Roger Caron
- Sub-Basement
- Survivors (1975 TV series)
- The House of Blue Light
- The mad dog of the Middle East
- Vini Lopez
- Wanderlei Silva
- Wong Yuk-man
- Wściekły pies
- Xu Xiaodong