* On 10 April 2015, Dirk Kuyt has signed to Feyenoord to play next year since his contract expired on 31 May 2015.
* On 11 June 2015, Fenerbahçe have released a statement on their official website confirming that Portuguese manager Vítor Pereira has been appointed manager on a two-year deal.
* On 17 June 2015, Centre back player Simon Kjær has signed for 4 years to Fenerbahçe from Lille by €7.65M fee.
* On 22 June 2015, Mert Günok has signed for 3 years to Bursaspor since his contract expired on 31 May 2015.
* On 23 June 2015, Fenerbahçe officially signed a four-year contract with Bursaspor's former right back Şener Özbayraklı by ₺5.0M.
* On 25 June 2015, Fenerbahçe have completed the signing of Atlético Paranaense striker Fernandão on a four-year deal the club revealed.
* On 27 June 2015, Fenerbahçe part ways with Emre Belözoğlu. The club said that the 34-year-old central midfielder is not in the team manager’s future plans thus his deal has not been renewed.
* On 2 July 2015, Fenerbahçe has taken on loan two players, Brazilian goalkeeper Fabiano Ribeiro and Senegalese centre-back Abdoulaye Ba, from the Portuguese giants Porto for a season.
* On 3 July 2015, Fenerbahçe are in talks to sign winger Nani from Manchester United. The club announced the news on social media on Thursday night, saying on twitter: ''"Fenerbahçe has begun talks with Luis Nani and his club Manchester United to transfer the player. "Nani will be in Istanbul on Sunday for a medical check up."''
* On 3 July 2015, Fenerbahçe have completed the signing of São Paulo defensive midfielder Josef de Souza for an €8 million transfer fee the club revealed. On 4 July, have released a statement on their official website confirming that talks are underway with both São Paulo and their midfielder Josef de Souza. On 7 July 2015, Josef de Souza was official Fenerbahçe player.
* On 6 July 2015, Fenerbahçe have completed the signing of Manchester United winger Nani. Fenerbahçe have announced the signing of Nani from Manchester United for €6 million.
* On 8 July 2015, Nigeria striker Emmanuel Emenike has joined United Arab Emirates Pro League side Al-Ain on loan until the end of the season.
* On 9 July 2015, Fenerbahçe has begun to transfer talks with Robin van Persie and his club Manchester United.
* On 12 July 2015, Manchester United striker Robin van Persie has arrived in Istanbul’s Sabiha Gökçen Airport on Sunday at 8:00pm local time with his family in a private plane to complete his move to Fenerbahçe. On 13 July van Persie underwent health screening in Istanbul.
* On 14 July 2015, Robin van Persie has completed his move from Manchester United to Fenerbahçe for an undisclosed fee. The Netherlands striker, 31, was unveiled in front of about 10,000 supporters inside the club's stadium. He said: ''"I promise you one thing - I will do everything in my power to help Fenerbahce win as many trophies to make you happy. Let's do it together."''
* On 17 July 2015, Fenerbahçe is to face Ukraine's Shakhtar Donetsk in the Champions League third qualifying round following a draw at UEFA headquarters in Nyon, Switzerland, on Friday. The Ukrainian side will travel to İstanbul in the first leg to face Fenerbahçe, which returns to UEFA competitions after two years.
* On 5 August 2015, Fenerbahçe was sent crashing out of the UEFA Champions League by Shakhtar Donetsk after lose with 3–0 in Arena Lviv.
* On 7 August 2015, Fenerbahçe, drawn against Atromitos of Greece in the UEFA Europa League play-off round.
* On 13 August 2015, Fenerbahçe officially signed a five-year contract with Ozan Tufan by €7.0M.
* On 14 August 2015, Fenerbahçe officially signed a three-year contract with Volkan Şen by €1.0M.