Henry O. Watson (11 October 1946 - 22 February 2003) was an American-Canadian actor.
He appeared in films and television programs such as:
- Millennium (TV Series) in the 1996 episode "Gehenna"
- The X-Files (TV Series)
- Wrongfully Accused (1998) as Mayor Stopka
- Freddy Got Fingered (2001)
- Da Vinci's Inquest (TV Series)