D.C. ユナイテッド
On March 1, 2019, after speculation and Amarikwa appearing at D.C. United practices, Quincy Amarikwa signed with D.C. United. Amarikwa scored his first goal for D.C. United in a friendly against Real Betis on May 22, 2019. Amarikwa then scored his first D.C. United MLS goal against the New England Revolution on July 12, 2019. His goal equalized the game 2-2. His contract with D.C. United ran out after the 2019 season.