Una McNulty is an English actress who has played four roles in Emmerdale:
- Sgt. Murphy (later credited as WPC Murphy, who investigated the hit-and-run on Kathy Glover in September and November 1998.
- Helen Jones in November 2002.
- The Mist Nightclub manageress in August 2014.
- An abusive dog owner in August 2018.
She has also appeared in Hollyoaks, Coronation Street and Doctors.