Hallock is a surname. Notable people with the surname include:
Charles Hallock (1834–1917), American writer and publisher
Donald H. V. Hallock (1908–1996), American Anglican bishop
Gerard Hallock (1905–1996), American ice hockey player
James L. Hallock (1823-1894), American politician
James N. Hallock (born 1941), American physicist
Jeanne Hallock (born 1946), American swimmer
John Hallock, Jr. (1783–1840), Congressman from New York
Richard Hallock (1906–1980), American Assyriologist and Elamitologist
Ty Hallock (born 1971), American football player
William Hallock (1857–1913), American physicist
