Hillock and Hillocks are surnames. Notable people with these surname include:
Hillock Jay Hillock (born c. 1949), American basketball coach Poh Wah Hillock, Singaporean and Australian mathematician
Hillocks George Hillocks Jr. (1934–2014), American professor of English James Hillocks (born 1915), Scottish painter Samuel Bacon Hillocks (1869–1937), Canadian politician