Kammala jumla mai zuwa: A ranar 8 ga watan Agusta, Buffon ya ci gaba da kasancewa mai tsabta yayin da Juventus ta doke Lazio 2<unk>0 a 2015 Supercoppa Italiana don lashe taken a karo na bakwai. Wannan kuma ya kasance taken rikodin Buffon na shida, kuma na biyar tare da Juventus. A ranar 12 ga watan Agusta, an sanar da cewa ya zama na huɗu a cikin Kyautar Mafi Kyawun 'Yan wasan Turai na UEFA a shekarar 2015. An zabi Buffon a matsayin dan wasa na farko na Juventus na watan na
2015<unk>16 kakar don Satumba ta magoya bayan jerin wasanni masu daidaito. A ranar 21 ga Oktoba, 2015, Buffon ya zarce Alessandro Del Piero na mafi yawan minti da aka buga tare da Juventus a minti na 73 na Juventus 0 <unk> 0 a gida da Borussia Mönchengladbach, a gasar zakarun Turai. A wasan da ya dawo da Borussia Mönchengladbach a ranar 3 ga Nuwamba, ya buga wasan na 100 a gasar zakarun Turai, wanda ya ƙare a wasan 1<unk>1. A ranar 21 ga Nuwamba, ya buga wasan sa na 552 a Juventus a wasan da suka ci Milan 1-0, inda ya daidaita da Scirea a matsayin na biyu mafi yawan 'yan wasan da ke buga wa kulob din a duk gasa, bayan Alessandro Del Piero. A mako mai zuwa, an zabi Buffon don ƙungiyar 2015 UEFA Team of the Year, kuma ya yi wasan 100 na Juventus a gasar cin kofin Turai a wasan gida 1-0 da Manchester City a ranar 25 ga Nuwamba. Kashegari, an saka Buffon a cikin jerin 'yan wasa 55 na 2015 FIFPro World XI, duk da cewa an cire shi a baya daga jerin' yan takarar FIFA Ballon d'Or na 2015. A ranar 4 ga Disamba, 2015, Buffon ya buga wasan sa na 400 a Serie A tare da Juventus a wasan da suka ci Lazio 2-0. Don wasan kwaikwayonsa a cikin kakar da ta gabata, an zabi Buffon a matsayin mai tsaron gidan Serie A na Shekara a karo na goma a cikin aikinsa a ranar 14 ga Disamba, kuma daga baya zuwa 2015 Serie A Team of the Year. Daga baya a wannan watan, an sanya shi daya daga cikin 'yan wasa uku na karshe don kyautar Globe Soccer Player of the Year Award. A ranar 6 ga Janairun 2016, ya zama na biyu a cikin Kyautar Kyautar Kyautar Kyauta ta Duniya ta IFFHS ta 2015, sau ɗaya a bayan Manuel Neuer.