The Montreal, Maine and Atlantic Railway (reporting mark MMA) was a Class II freight railroad that operated in the U.S. states of Maine and Vermont and the Canadian province of Quebec between 2002 and 2014. It was headquartered in Hermon, Maine. Its Canadian subsidiary was named the Montreal, Maine and Atlantic Canada Company with offices in Farnham, Quebec. With the exception of an independently owned low-speed tourist train (the Orford Express) on one small segment between Magog and Sherbrooke, there was no passenger service on the MMA system.