Richard Southwell may refer to:
Richard Southwell (courtier) (1504–1564), English courtier, Master-General of the Ordnance and Custos Rotulorum of Norfolk Richard Southwell (died 1514) (1449–1514), British administrator from Norfolk Richard Southwell alias Darcy (died 1600), MP for Gatton Richard Southwell (Askeaton politician) (died 1688), Irish MP for Askeaton Richard Southwell (Limerick politician) (c. 1667–1729), his son, Irish MP for Limerick County Sir Richard V. Southwell (1888–1970), English mathematician and engineering science academic