Bullock is the surname of an English family that traces its roots to the County of Berkshire in the 12th century. Notable members of the family of Arborfield, and later of Faulkbourne in Essex, include Robert Bullock (d. 1405) Sheriff for the Counties of Berkshire and Oxfordshire, Sir Edward Bullock of Falkborne (c. 1580 - 1644), Edward Bullock (1663–1705) M.P and High Sheriff of Essex, Colonel John Bullock (1731–1809) M.P, Professor Walter Llewellyn Bullock (1890–1944) and Sir Christopher Bullock (1891–1972).