Robert Cotton may refer to:
Robert Cotton (MP, died 1559), MP for Leicester Sir Robert Cotton, 1st Baronet, of Connington (1571–1631), English antiquary and creator of the Cotton Library Sir Robert Cotton, 1st Baronet, of Combermere (c. 1635–1712), MP for Cheshire Robert Cotton (MP, born 1644) (1644–1717), English politician Sir Robert Cotton, 5th Baronet, of Connington (c. 1669–1749) of the Cotton baronets Sir Robert Cotton, 3rd Baronet, of Combermere (1695–1748), MP for Cheshire and Lostwithiel Sir Robert Salusbury Cotton, 5th Baronet, of Combermere (c. 1739–1809), MP for Cheshire Robert Cotton (cricketer) (1909–1979), English cricketer Robert Bell Cotton (1859–1917), member of the Mississippi House of Representatives Sir Bob Cotton (1915–2006), Australian Federal Senator Bob Cotton (basketball) (1920–1999), American basketball player See also Cotton (disambiguation)