On 11 January 2015, Koscielny scored the first goal in a 3–0 win over Stoke City. On 18 January, he started in central defence as Arsenal shut out defending champions Manchester City to win 2–0 at the City of Manchester Stadium. On 10 February, he scored the opening goal as Arsenal defeated Leicester City 2–1. On 30 May 2015, Koscielny was selected to start in the 2015 FA Cup Final, playing the full 90 minutes in a 4–0 defeat of Aston Villa at Wembley Stadium.