Harvey B. Dunn (August 19, 1894 - February 21, 1968) was an American actor who appeared in several television series and B-movies. Dunn performed in three films directed by Ed Wood, two of which were shown on MST3K: Experiments #423 Bride of the Monster, and #613 The Sinister Urge.

Dunn made his first appearance on MST3K in Experiment  #404 Teenagers from Outer Space.