Millfield, Tyne and Wear, a suburb of Sunderland

Millfield is a co-educational independent boarding school in Somerset, UK. Millfield could also refer to:

Millfield, New South Wales, a suburb of Cessnock, New South Wales

Millfields Park, Lea Bridge, London Borough of Hackney

Millfield Science and Performing Arts College, a secondary school in Lancashire

Millfield Mine disaster, Ohio, USA

Millfield, Cambridgeshire, a district of Peterborough

Millfield, Ohio, Sunday Creek