Katharyn Powers (23 July 1943–10 December 2024; age 81) was a television writer who wrote the stories for the Star Trek: The Next Generation first season episode "Code of Honor" and the Star Trek: Deep Space Nine first season episode "Past Prologue". For "Code of Honor", she collaborated with Michael Baron. They were both interviewed by Edward Gross for the article "Writers Katharyn Powers & Michael Baron – Inside Code of Honor" for The Official Star Trek: The Next Generation Magazine issue 2, pp. 59-62. She was previously married to Michael Michaelian.
Powers was a fan of Star Trek: The Original Series and bought her first television to watch the series. At this time, she was working as an actress in New York. She met Dorothy Fontana while working with her on Logan's Run and Fantastic Journey (which starred Ike Eisenmann) in the late 1970s and received a call from Fontana during pre-production for The Next Generation. Powers also wrote for television series such as Kung Fu, How the West Was Won, Young Pioneers, Petrocelli, Fantasy Island, and Airwolf as well as several television movies.
Later in her career, Powers wrote almost a dozen episodes of Stargate SG-1 and worked as a story consultant on the series between 1997 and 1998. In 2005, she worked as associate producer on The Naked Monster (2005).