Buuxi weedha soo socota: 8-dii Agoosto, Buffon wuxuu haystay shabaqa nadiifka ah markii Juventus ay ka adkaatay Lazio 2 <unk> 0 ee 2015 Supercoppa Italiana si ay ugu guuleysato horyaalka markii toddobaad ee rikoorka. Tani waxay sidoo kale ahayd Buffon rikoorkiisii lixaad ee horyaalka, iyo kii shanaad ee uu la qaato Juventus. Bishii Agoosto 12, waxaa lagu dhawaaqay inuu kaalinta afaraad ka galay Abaalmarinta Ciyaaryahanka ugu Fiican Yurub ee 2015 UEFA. Buffon ayaa loo magacaabay ciyaaryahankii ugu horeeyay ee bisha ee Juventus
Xilli ciyaareedkii 2015-16 ee Sebtember taageerayaasha ka dib taxane bandhigyo isdaba joog ah. 21-kii Oktoobar 2015, Buffon wuxuu dhaafiyay rikoodhkii Alessandro Del Piero ee daqiiqadihii ugu badnaa ee uu la ciyaaray Juventus daqiiqadii 73-aad ee Juventus 0 <unk> 0 barbaro gurigeeda ka dhan ah Borussia Mönchengladbach, heerka kooxaha Champions League. Ciyaartii kooxda ee soo noqoshada ee ay la ciyaareen Borussia Mönchengladbach 3dii Nofeembar, wuxuu sameeyay kulankiisii 100aad ee Champions League, kaas oo ku dhammaaday barbaro 1<unk>1. Bishii Nofeembar 21, wuxuu u saftay kulankiisii 552aad ee Juventus kulankii ay 1-0 ku badisay Milan, isagoo la mid noqday Scirea oo ah kooxda labaad ee ugu badan ee ka soo muuqata kooxaha tartamada oo dhan, kaliya waxaa ka dambeeya Alessandro Del Piero. Toddobaadkii xigay, Buffon waxaa loo magacaabay Kooxda UEFA ee Sanadka 2015, sidoo kale wuxuu sameeyay muuqaalkiisii 100aad ee Juventus ee Tartamada Naadiyada Yurub ee ku guuleystay 1 <unk> 0 guushii Manchester City ee 25kii Nofeembar. Maalintii xigtay, Buffon waxaa lagu daray liiska 55 ciyaartoy ee loogu talagalay 2015 FIFPro World XI, inkastoo horey looga saaray liiska musharixiinta FIFA Ballon d'Or 2015. 4-tii Diseembar 2015, Buffon wuxuu sameeyay muuqaalkiisii 400-aad ee Serie A ee Juventus guul 2-0 ah oo uu ka gaaray Lazio. Bandhigiisii xilli ciyaareedkii hore oo dhan, Buffon waxaa loo magacaabay Serie A Goalkeeper of the Year markii tobnaad ee xirfadiisa 14kii Diseembar, ka dibna kooxda 2015 Serie A Team of the Year. Dabayaaqadii bishaas, waxaa loo magacaabay mid ka mid ah saddexda final ee Abaalmarinta Ciyaaryahanka Kubadda Cagta ee Sannadka ee Globe. 6 Janaayo 2016, wuxuu kaalinta labaad ka galay Abaalmarinta Goolhayaha ugu Fiican Adduunka ee 2015 IFFHS, mar kale wuxuu ka dambeeyay Manuel Neuer.