Allison Liddi (born 2 August 1959; age 65) is a director who directed the Star Trek: Voyager sixth season episode "Collective".
Liddi had previously directed for such television programs as The Secret World of Alex Mack, Xena: Warrior Princess, and Beverly Hills, 90210. She went on to direct two episodes of UPN's The Twilight Zone as well as multiple episodes of Whoopi Goldberg's Strong Medicine (starring Jenifer Lewis), NBC's Las Vegas, Ed, and Friday Night Lights. Her other television directorial credits include single episodes of CSI: Crime Scene Investigation (starring Paul Guilfoyle, with Anne Elizabeth Ramsay), Roswell (starring William Sadler), Boston Legal (starring William Shatner and René Auberjonois), Monk (starring Ted Levine, with Stanley Kamel), The 4400 (executive produced by René Echevarria and Ira Steven Behr), and J.J. Abrams' What About Brian.