Top Dog

The expression "top dog" is an idiom for the boss or the leader. In a competition, it is also the favorite or the one expected to win, and the opposite of the underdog. It may be a shorthand reference for a dominance hierarchy.

Top Dog may also refer to:
 * Top Dog (comics), a comic book character from Top Dog series by Star Comics (a Marvel Comics imprint)
 * The Top Dog, a 1918 British film
 * Top Dog (1995 film), a 1995 action film with Chuck Norris
 * Top Dog (2014 film), a 2014 crime film with Leo Gregory
 * Top Dog (rapper), member of the hip hop group O.G.C.
 * Top dog, another name for the card game big two
 * Top Dawg Entertainment, independent record label
 * America's Top Dog, a 2020 American reality series
 * Top Dog (2020 TV series), a Swedish crime drama