Simon Digby may refer to:

Politicians Simon Digby (died 1560), MP for Rutland Simon Digby, 4th Baron Digby (1657–1686), English nobleman and Member of Parliament Simon Wingfield Digby (1910–1998), British Conservative politician

Others Simon Digby (died 1519), lord of Coleshill, Warwickshire, England Simon Digby (oriental scholar) (1932–2010), British oriental scholar, linguist and writer Simon Digby (bishop) (died 1720), Bishop of Limerick, Ardfert and Aghadoe; then Elphin