Edmund Blair Leighton (September 21, 1853 - September 1, 1922) was a British painter associated with the Pre-Raphaelite and Romantic styles.

Leighton was the son of the artist Charles Blair Leighton. He was educated at University College School, before becoming a student at the Royal Academy Schools. He married Katherine Nash in 1885 and they went on to have a son and daughter. He exhibited annually at the Royal Academy from 1878 to 1920.

Leighton was a historical genre painter focusing mainly on Regency and medieval subjects.