Frances Tomelty (born 6 October 1948) is a Northern Irish actress.
Tomelty was born in Belfast, Northern Ireland, the daughter of actor Joseph Tomelty (5 March 1911 – 7 June 1995). She has featured in series including Bergerac, Inspector Morse, Lucy Sullivan is Getting Married, Strangers, Midsomer Murders and Coronation Street, Cracker, as well as many films including Bellman and True, Monk Dawson, Bullshot and The Field. She was Lady Macbeth in the Old Vic's disastrous 1980 production of Macbeth, with Peter O'Toole in the title role.
Tomelty's roles in recent years include the drama series Spooks, Casualty, The Amazing Mrs Pritchard, Holby City, Law & Order: UK, The Royal, Waking the Dead, Silent Witness, Unforgotten as well as big-budget adaptations Atlantis, Merlin, The White Queen, and A Perfect Spy, and the film Chéri.