Ronald Alan Waldron (born 9 January 1927) is an English medievalist, considered a pre-eminent expert in the field of early English literature.
He wrote many books and was a lecturer at the University of Aarhus in Denmark and King's College London.
He made an especial focus on the poem Sir Gawain and the Green Knight.
After leaving school he worked as a clerk at Teignmouth Electric Company before being called up for national service late in World War II.
After the war under the governmental Further Education and Training Scheme programme he attended the University College of the South West of England and graduated in 1951, then did postgraduate work at Royal Holloway College of the University of London, graduating in 1953.