The expression top dog is an idiomatic 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.
The name Top Dog may refer to:
- Top Dog (film), a 1995 action film with Chuck Norris
- Top Dog (rapper), member of the hip hop group O.G.C.
- Top Dog (comic book character), a character from The Secret Life of Top Dog series
- Top Dog (record label), a record label started by Kid Rock in July 1994
- Top Dog Software, a late software company
- [top dog] , a family owned, quality focused hot dog business started in 1966 in Berkeley, California with 2 stores also in Oakland
- Top Dog, a bar in Cherry Hill, New Jersey (no longer open)
- 'Top' is the name of a dog in The Mysterious Island by Jules Verne
- Top Dog (arcade), a defunct arcade in Northeastern Pennsylvania.