Marcus James Brown (born April 3, 1974) is an American former professional basketball player.

Brown played college basketball at Murray State University, in the Ohio Valley Conference.

It was announced in October 2009, that Brown was named to the Murray State University Athletic Hall of Fame.

Brown then moved to the Russian Super League powerhouse CSKA Moscow, where he signed a contract that made him the highest paid American basketball player in Europe at that time.

Brown then spent the next two seasons playing with Unicaja Málaga of the Spanish ACB League, where over those 2 years he would play alongside fellow ex-NBA players Daniel Santiago, Pepe Sánchez, Jorge Garbajosa, and Jiří Welsch.

[citation needed] After spending two seasons with Málaga, Brown joined the Lithuanian League club Žalgiris Kaunas.

On October 19, 2008, Brown was loaned from (Žalgiris) and signed with the EuroLeague club Maccabi Tel Aviv of the Israeli League, for the 2008–09 season, and with them he won yet another national domestic championship, in May 2009.

On November 25, 2009, Brown became one of four players who had managed to make 300 or more three point shots in the EuroLeague at that time, counting only records since the year 2000.

In January 2013, the Arkansas Sports Hall of Fame announced that Brown would be honored as a member of the class of 2013 inductees which included Dallas Cowboy owner Jerry Jones.

A high-quality player, who was always able to make a big impact in top-level European teams, Brown played at the EuroLeague Final Four in 2004, 2005, and 2007.