Commander Worf: Fan site dedicated to the character with pictures, links, and other information.
Dennette's Daybooks: Videos from the series that feature the character of Worf, with synopsis.
Michael "Worf" Dorn: Pictures and biographical information.
The Real Worf of Subspace: Star Trek site offering sounds, links and pictures of the actors.
TNG - Lieutenant Worf: Details on both the character and the actor.