Dhole, a canid species also called the red dog or Asiatic wild dog
Red Dog (Pilbara), a dog which travelled Western Australia in the 1970s and inspired the novel Red Dog and the related film franchise
Bars
Red Dog Saloon, a bar in Juneau, Alaska
Red Dog Saloon (Virginia City, Nevada), a bar that played an important role in the history of the psychedelic music scene
Entertainment and media
Characters
Red Dog (G.I. Joe), a fictional character in the G.I. Joe universe
Red Dog, a canine character in the Red Dog film series played by the Australian canine film actor Koko and that is based on the Pilbara wanderer.
Films
Red Dog (film), a 2011 film adapted from de Bernières' novel
Red Dog: True Blue, a prequel to the 2011 film
Koko: A Red Dog Story, a spin-off documentary about the star of the 2011 film, Koko
Games
Red dog (card game), a card game found in some casinos
Red Dog: Superior Firepower, a Dreamcast Vehicular combat game style shooter
Literature
Red Dog (novel), a short novel by Louis de Bernières
"Red Dog" (Kipling short story), a Mowgli story by Rudyard Kipling
Red Dog (short story collection), a short story (and collection of anecdotes and poetry) by Nancy Gillespie
Music
The Legendary Red Dog, nickname of Joseph L. Campbell, roadie for The Allman Brothers Band
Mining
Red Dog, California, a mining ghost town
Red Dog mine, Alaska
Red dog (coal slag), a byproduct of coal mining
Sports
Red dog (American football), a strategy of sending a player on a full-out defensive rush, known in the modern era as a blitz.
Red Dogs, the name given to fans of the Romanian football team FC Dinamo București
Redd Dogg, a ring name used by professional wrestler Rodney Begnaud
Other uses
Operation Red Dog, a planned invasion of Dominica, organized by American and Canadian Ku Klux Klan leaders in concert with former prime minister Patrick John
Microsoft Azure, previously codenamed "Red Dog"
Red Dog (beer), an inexpensive beer produced by the Plank Road Brewery (Miller Brewing Co.)