J.P. Farrell was a Human Starfleet officer in the mid-to-late 24th century.
In 2364, he held the rank of commander. On stardate 41547.8, a list of names, including his, were sent to the USS Matte Fringe by Admiral Daniel Curry of Starfleet Mission Operations Division. The individuals on this list had received security clearances for a project involving this Federation starship. (TNG: "Conspiracy")
Ten years later, in 2374, he was a Starfleet Command officer who worked on the USS Prometheus. (VOY: "Message in a Bottle" set artwork)
The character was never mentioned in dialog; his name came from a mission order. Farrell's name was later listed on the dedication plaque of the