Addison Langhorne Steavenson (4 August 1836 – 7 November 1913) was an English Mining Engineer. He became President of the North of England Institute of Mining and Mechanical Engineers (NEIMME) in 1893 after being a member of the Institute for thirty-eight years. Steavenson was married to Anna Maria; they had three daughters named Anna, Frances and Hilda and one son called Addison Langhorne Junior who died young.