8M

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 8 de marzo