Watchdog
- Charity watchdog
- Consumer organization
- Dog City
- Dog watch
- Family First (film)
- Guard dog
- John Shirley
- Laird Wilcox
- Laurien Berenson
- List of One-Punch Man characters
- Moscow Watchdog
- Portuguese Watchdog
- Rat in the Kitchen
- Tell Mama
- Transit watchdog
- Watch Dog (album)
- Watch Dogs
- Watch Dogs (film)
- Watch Dogs (video game)
- Watchdog (TV programme)
- Watchdog (research collective)
- Watchdog Test House
- Watchdog journalism
- Watchdog timer
- Watchdog.org
- Watchdogs (Agents of S.H.I.E.L.D.)
- Watchdogs (Marvel Comics)
- Watchdogs (Wander Over Yonder)