The 2016–17 season is Football Club Barcelona's 117th in existence and the club's 86th consecutive season in the top flight of Spanish football. Barcelona are involved in four competitions after completing the Double of winning La Liga and Copa del Rey during the last season.

On 1 June, the club announced that Sandro Ramírez's contract would be rescinded. On 2 June, Barcelona announced that Dani Alves would be departing the club after eight seasons. On 3 June, Barcelona announced that German club Borussia Dortmund have informed them of their desire to activate the buy-out clause for Marc Bartra. On 5 June, the club announced that Denis Suárez will be forming part of the first team for this season.

On 1 July, Barcelona and Neymar negotiated a five-year contract extension lasting until 30 June 2021. On 4 July, the club completed the transfer of Denis Suárez. On 12 July, the club announced the transfers of 22-year-old French international defender Samuel Umtiti from Lyon and Lucas Digne from Paris Saint-Germain for the next five seasons, respectively. On 14 July, the two transfers were completed. On 19 July, Barcelona and Sergi Samper negotiated a three-year contract extension lasting until 30 June 2019, including promotion to the first team. On 19 July, Barcelona and Munir El Haddadi also negotiated a three-year contract extension lasting until 30 June 2019. On 19 July, Barcelona and Qatar Airways extended sponsorship agreement for one year more. On 21 July, Barcelona and Valencia reached an agreement for the transfer of Portuguese international midfielder André Gomes. On 26 July, the transfer was completed. During the press conference of Gomes' presentation, the club announced midfielder Javier Mascherano's contract was extended until 30 June 2019. On 30 July, Barcelona won their first pre-season match against Scottish champions Celtic with a 1–3 score in Dublin as part of the 2016 International Champions Cup.

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