Ann Juliet Ace (born 27 June 1938) is a British dramatist and screenwriter. She was known for her works on EastEnders and The District Nurse. She also wrote scripts for BBC Radio drama, including The Archers. She wrote the screenplay for Cameleon, which won the Golden Spire Award in 1998. She was born in Llanelli, Carmarthenshire in South Wales.
Ace lives in London. In September 2014 she was made a fellow of the renamed Rose Bruford College of Theatre and Performance.