Charles Liddell (1813 – 10 August 1894), was an English railway engineer.
Born in County Durham, he was the son of Henry George Liddell, who was later Rector of Easington. His older brother was Henry Liddell. A student and educated by George Stephenson, he became involved in a number of Stephenson's projects, including the Grand Junction Railway and London and Birmingham Railway.
He subsequently went into partnership with L.D.B. Gordon, becoming Chief Engineer of the Newport, Abergavenny & Hereford Railway, where he drew the specifications for both the wrought iron Crumlin Viaduct and the stone Hengoed Viaduct. After surveying the route for the Bedford and Cambridge Railway, he was Chief Engineer for the London extensions for both the Midland Railway, and Great Central Main Line.
In 1838, whilst studying at the Freiburg School of Mines, Germany, L.D.B. Gordon visited the mines at Clausthal, and met Wilhelm Albert. Impressed by w