George Dennis CMG (21 July 1814 in Ash Grove, Hackney, Middlesex – 15 November 1898 in South Kensington, London) was a British explorer of Etruria; his written account and drawings of the ancient places and monuments of the Etruscan civilization combined with his summary of the ancient sources is among the first of the modern era and remains an indispensable reference in Etruscan studies.