At the beginning of the season, Ivanović was named as the club’s new vice-captain. On 2 August 2015, Ivanović made his first appearance of the season in 1–0 defeat of the FA Community Shield against London rivals Arsenal. Ivanović scored his first goal of the season in the first game after the departure of manager José Mourinho, against Sunderland. On 22 January 2016, Ivanović signed a new one-year contract extension with Chelsea. On 27 February, he scored an 89th minute winning header in a 2–1 win over Southampton. Ivanović made his 350th appearance for Chelsea in all competitions on 1 March against Norwich, becoming the fourth overseas player to do so.