Roy Jenson, (born ca. 1927 Calgary, Alberta; died April 24, 2007 in Los Angeles, California) was a Canadian actor. He also played American football for UCLA, then professionally Canadian football for the Calgary Stampeders, the Montreal Alouettes and finally the British Columbia Lions.

Remembered by many as the first man beaten up by Caine on the television show Kung Fu (1972), for his appearance in the Star Trek episode The Omega Glory (TOS episode) and as the villain Puddler in The Moving Target, he worked frequently in television in the '70s and '80s. A prolific character actor, he appeared in such films as Warlock, Al Capone, Our Man Flint, Big Jake, Harper, Soylent Green, The Getaway, The Way We Were,The Outfit and Chinatown. He also worked frequently with directors John Milius (The Wind and the Lion, Red Dawn) and Clint Eastwood (Thunderbolt and Lightfoot, Every Which Way But Loose, Any Which Way You Can, Honkytonk Man), as well as actor Geoffrey Lewis.

Jenson died of cancer on April 24, 2007. He was 80 years old.