Walter Nugent Monck CBE (1878–1958) was an English theatre director and founder of Maddermarket Theatre, Norwich.
He was born in Welshampton, Shropshire, the son of George Gustavus Monck (1849–1920), vicar of Welshampton who later worked as a priest in Liverpool. The son was educated there and at the Royal Academy of Music. In 1895, he abandoned his study of the violin in favour of acting.