1966 Connecticut Attorney General election

The 1966 Connecticut Attorney General election took place on November 8, 1966, to elect the Attorney General of Connecticut. Incumbent Democratic Attorney General Harold M. Mulvey was appointed to the office by Governor John N. Dempsey in 1963 to fill the vacancy left by Albert L. Coles, who resigned to become judge of the Connecticut Superior Court. Mulvey was elected to a full term in his own right, defeating Republican nominee William D. Graham.

Nominee

 * Harold M. Mulvey, incumbent attorney general (1963–1968)

Nominee

 * William D. Graham, nominee for state treasurer in 1962