Chaz Hall, better known by his stylized pen-name, E L U C I D, is an American MC, producer and cultural worker based in New York City.

He is one half of hip-hop duos Armand Hammer (with ​billy woods), E L U C I D & Haj of Dumhi, Nostrum Grocers (with ​milo), and Small Bills (with The Lasso). He is also member of hip-hop collective The Lessondary.