Baynton is an English surname. Notable people with the surname include:
Andrew Baynton (fl. 1540), English scholarBarbara Baynton (1857–1929), Australian writerHenry Baynton (1892–1951), English actorHenry Baynton (died 1616) (c. 1571 – 1616), English politicianHenry Baynton I (fl. 1572–1593), English politicianJack Baynton (1859–1939), English footballerMartin Baynton (born 1953), English writerMary Baynton (fl. c.1533), impostor who pretended to be Henry VIII's daughter, the future Mary I of EnglandMathew Baynton, English actorRobert Baynton (1900–1924), English cricketerThomas Baynton (1761–1820), English medical writer and surgeon