Murillo Santiago Costa dos Santos (born 4 July 2002), simply known as Murillo, is a Brazilian professional footballer who plays as a centre-back for Nottingham Forest. Born in São Paulo, Murillo lost his father, a lifelong supporter of Corinthians and the person who led him into playing futsal, at the age of 10. He began his career with São Caetano in 2013, and subsequently played for ECUS and São Bernardo.