1993 is a year in the 20th century.
- August 13: Luke Doggett is murdered in New York City. (TXF: "Release")
- December 5: Harry Cokely is released from Macalester Penitentiary. He begins residing in Gainesville, Nevada. (TXF: "Aubrey")
- Shaineh Berkowitz has a tubal ligation, which prevents her from becoming pregnant. (TXF: "The Post-Modern Prometheus")
- Special Agent Dana Scully receives a Georgetown parking permit. (TXF: "Milagro")
- Special Agent Raymond Crouch retires from the FBI after a 21-year career. (TXF: "Millennium")