Robert Simpson is a author whose main Star Trek novel to date is the final Mission Gamma novel, "Lesser Evil".

With S.D. Perry, he co-wrote The Lives of Dax short story "Allegro Ouroboros in D Minor". Simpson also wrote the novel Sid Meier's Alpha Centauri: Centauri Dawn.

Simpson and Marco Palmieri once pitched a story to the Star Trek: Deep Space Nine writers that had Jennifer Sisko surviving the destruction of the USS Saratoga and being assimilated by the Borg.