Watchmen, an acclaimed 1986 Alan Moore comic book limited series

Watchmen (film), the planned film adaptation of the comic book

Security guard, a person who watches over and protects property, assets, or people

Vigilante, Spanish for watchman; a person not affiliated with the government who enforces their own justice

The Watchmen, a 1990s Canadian rock band

Watchmen (law enforcers), a more dated term from medieval times for those who watched and guarded

Watchman (novel), a 1988 thriller novel by Ian Rankin.

Watchman camera, a system of cameras for controlling traffic and deterring speeding in the United Kingdom

Sony Watchman, a line of portable television devices produced by Sony

Watchman Island, a small sandstone island in the Waitemata Harbour of Auckland, New Zealand

Night watchman

The Watchman (1796), a periodical established and edited by Samuel Taylor Coleridge