Charles Hawksley (1839–1917) was a British civil engineer. Hawksley was born in Nottingham, England in 1839 and was the son of civil engineer Thomas Hawksley. He studied at University College London and after graduating entered into apprenticeship with his father's firm, which had been established in 1852 and specialised in water related projects. From 1857 Hawksley was, with his father, an adviser to the Great Yarmouth Waterworks Company and in 1866 became a partner in his father's firm. Hawksley worked extensively in the water industry and clients included the Newcastle and Gateshead Water Company, Sunderland and South Shields Water Company, Consett Waterworks, Weardale and Shildon District Waterworks and Durham County Water Board. Hawksley, with his father, built the Catcleugh Reservoir