Alex Nicolao Telles ( ɗan Template:IPA-pt ; an haife shi a ranar 15 ga watan Disamba shekarar 1992), ƙwararren ɗan wasan ƙwallon ƙafa ne ɗan ƙasar Brazil wanda ke taka leda a matsayin mai tsaron baya a ƙungiyar ƙwallon ƙafa ta Manchester United da kuma ƙungiyar ƙwallon ƙafa ta Brazil . Telles ya fara aikinsa a kungiyar Juventude ta kasar Brazil Série D, kafin a sayar da shi ga kungiyar Série A Grêmio a cikin shekarar 2013.A waccan shekarar, an zabe shi a matsayin mafi kyawun baya na hagu a gasar. A cikin watan Janairu shekarar 2014, Telles ya rattaba hannu tare da kungiyar Süper Lig ta Turkiyya Galatasaray, inda ya lashe kofuna daban-daban ciki har da gasar lig, Kofin Turkiyya biyu da kuma Super Cup na Turkiyya, amma an ba da rancen zuwa kungiyar Inter Milan ta Serie A a lokacin kakar shekarar 2015-da shekara ta 2016.A cikin watan Yuli na shekarar 2016, an sayar da Telles zuwa Primeira Liga FC Porto, inda ya kafa kansa a matsayin daya daga cikin mafi kyawun hagu a cikin gasar.