The 2015–16 season was Newcastle United's sixth consecutive season in the Premier League and their 123rd year in existence. This season, Newcastle United participated in the Premier League, FA Cup and League Cup. The season covers the period from 1 July 2015 to 30 June 2016.

24 May 2015: Newcastle United guarantee participation in the 2015–16 Premier League by beating West Ham United 2–0 in the final match of the 2014–15 Premier League season.

4 June 2015: Newcastle United announce their pre-season schedule for 10 July to 1 August 2015, consisting of matches against near-neighbours Gateshead, a tour to the United States to face Mexican side Atlas and United Soccer League sides Sacramento Republic and Portland Timbers 2, as well as matches against Sheffield United, York City and German side Borussia Mönchengladbach upon returning to England.

10 June 2015: Newcastle United sack coaches John Carver and Steve Stone prior to the 2015–16 season. Former England manager Steve McClaren is appointed the club's new head coach on a three-year deal, with an option to extend to eight years. McClaren is also appointed to the Newcastle United Board of Directors, along with chief scout Graham Carr and club ambassador Bob Moncur. Mike Ashley and John Irving both step down from the Board of Directors, with managing director Lee Charnley the only person to remain on the Board.

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