Nicholas Langrishe Alleyne Lash (6 April 1934 – 11 July 2020) was an English Roman Catholic theologian. He worked for a short while as a Roman Catholic priest. He held for twenty years the post of Norris-Hulse Professor of Divinity in the University of Cambridge from 1978 to 1999.
Lash died on 11 July 2020, aged 86.