Richard Christopher Mansell (October 1813 in Liverpool – 25 May 1904 in Long Marton, Westmorland) was an English railway engineer. Mansell was carriage superintendent for the South Eastern Railway at Ashford by 1851, and later works manager for the SER. In 1877 he succeeded Alfred Mellor Watkin as locomotive superintendent of the SER. When James Stirling was appointed in 1878, Mansell resumed the post of works manager until his retirement from the SER in January 1882. On leaving, he was given an annual consultancy fee/pension of fifty guineas.