Richard Knight may refer to:

• Richard Knight (MP) (by 1518–1555 or later), English MP for Chichester
• Sir Richard Knight (1639–1679), English MP for Lymington
• Richard Knight (footballer) (born 1979), English footballer
• Richard Knight (1659–1745), of Downton, Herefordshire, ironmaster
• Richard Payne Knight (1750–1824), MP, classical scholar, connoisseur, archaeologist and numismatist
• Richard of the Knight Brothers, a soul music duo
• Richard Knight (cricketer) (1892–1960), English cricketer
• Richard Knight (rower) (born 1928), British Olympic rower
• Richard Knight (speedway rider) (born 1959), former motorcycle speedway rider