James Weldon Johnson Commemorative Coin Act This bill directs the Department of the Treasury to mint and issue 50,000 $5 gold coins, 400,000 $1 silver coins, and 750,000 half-dollar clad coins emblematic of James Weldon Johnson, an influential writer, diplomat, educator, lawyer, and civil rights activist. All surcharges received by Treasury from the sale of such coins must be paid to the Marshall-Motley Scholars Program, the Stanton College Preparatory School, the National Association for the Advancement of Colored People, and the James Weldon Johnson Foundation.