Kelle Willem Roos (born 31 May 1992) is a Dutch professional footballer who plays as a goalkeeper for Scottish Premiership club Aberdeen. Roos spent his youth with a wide variety of Dutch clubs, including: VV Toxandria, VV Trekvogels, Juliana '31, Quick 1888, PSV Eindhoven, Willem II, N.E.C., and Nuenen. He earned a contract at English Conference Premier side Nuneaton Town in November 2013, and gained a lot of attention from clubs throughout England with his performances during a run of clean sheets.