- For other uses, see John.
- See Fredrickson for other articles with titles that contain, either by relationship or by coincidence, this character's surname.
John A. Fredrickson was a 24th century Human man, a member of the Federation Starfleet and an officer assigned to service during the Dominion War, in the 2370s decade.
In the year 2374, a casualty report filed by the starship USS Cochrane, as well as reports from Starbase 129 and Starbase 153 all noted that Ensign Fredrickson had been killed. (DS9 episodes: "In the Pale Moonlight", "What You Leave Behind")
Later, in 2375, reports of Ensign Fredrickson's death remained on record from the Cochrane and Starbase 129. (DS9 episodes: "Image in the Sand", "The Siege of AR-558")