8M or 8-M may refer to: 8 m, or 8 metres Maxair (aviation), IATA code Myanmar Airways International, IATA code Grigorovich M-8, a variation of the Grigorovich M-5 GCR Class 8M, a class of British 2-8-0 steam locomotive 8M, a model of Bensen B-8 Smena 8M, a model of Smena (camera) VO-8M, see VMA-231 International Women's Day, shortening of See also 8 Metre (keelboat) M8 (disambiguation) M (disambiguation) 8 (disambiguation)