MLW, or mlw, may refer to:

Professional Wrestling Maple Leaf Wrestling Major League Wrestling

Transportation Maximum landing weight, the maximum weight at which an aircraft is permitted to land MLW, the IATA code for Spriggs Payne Airport near Monrovia in Liberia MLW, the National Rail code for Marlow railway station in the county of Buckinghamshire, UK Montreal Locomotive Works, a former Canadian railway locomotive manufacturer

Other uses Major League Wiffle (MLW) Malawi, UNDP country code Master of Labour Welfare, a postgraduate degree course offered by some Indian Universities mlw, the ISO 639-3 code for the Moloko language spoken in northern Cameroon

See also