Cockrill is a surname. Notable people with the surname include:
Benjamin F. Cockrill Jr. (1866–1936), American farmer and politician Mark R. Cockrill (1788–1872), American cattleman, horse breeder and planter Maurice Cockrill (1936–2013), British painter and poet Sterling R. Cockrill (born 1925), American politician Sterling R. Cockrill (judge) (1847–1901), chief justice of the Arkansas Supreme Court