Michael Avery Ross is an American businessman and politician. A member of the Democratic Party, he served as the U.S. representative for Arkansas's 4th congressional district from 2001 to 2013 and was his party's nominee for governor of Arkansas in 2014. He is currently the last Democrat to have represented Arkansas in the House of Representatives. He was also a member of the Arkansas Senate from 1991 to 2001, a member of the Nevada County Quorum Court from 1983 to 1985, and a small business owner.

Arkansas's 4th congressional district is a congressional district located in the southwestern portion of the U.S. state of Arkansas. Notable towns in the district include Camden, Hope, Hot Springs, Magnolia, Pine Bluff, and Texarkana.