Cocks is a surname. Notable people with the surname include:
Von Cocks, Australian cricket umpire
Charles Cocks, British 19th century wine enthusiast, author of Cocks & Féret
Clifford Cocks, British cryptographer
Jay Cocks, film writer
Richard Cocks, English trader in Japan in the seventeenth century
Charles Cocks, 1st Baron Somers (1725–1806)
John Sommers Cocks, 1st Earl Somers (1760–1841)
John Somers Somers-Cocks, 2nd Earl Somers (1788–1852)
Charles Somers Somers-Cocks, 3rd Earl Somers (1819–1883)
Philip Reginald Cocks, 5th Baron Somers (1815–1899)
Arthur Herbert Tennyson Somers-Cocks, 6th Baron Somers (1887–1944)
Arthur Percy Somers Cocks, 7th Baron Somers (1864–1953)
John Patrick Somers Cocks, 8th Baron Somers (1907–1995)
Philip Sebastian Somers-Cocks, 9th Baron Somers (born 1948)
