Leila Effat Farzad (Arabic: ليلى عفت Persian: لیلا عفت فرزاد; born December 30, 1981) is a British actress. She is known for her role as Naomi Jones in the Sky Atlantic series I Hate Suzie (2020–2022), which earned her a British Academy Television Award nomination.

Farzad was born in London to Iranian parents. She was inspired to pursue acting by National Theatre productions her aunt took her to see, however, her parents requested she get a degree from Oxbridge first. She first studied Modern Languages at Worcester College, Oxford, graduating with a Bachelor of Arts in French and Italian Literature. She then went on to train at the Guildhall School of Music and Drama, which she said "felt like home".