Casemiro Mior is a Brazilian football manager and former footballer. During his career as a footballer, he played for Grêmio, Internacional and Internacional de Limeira. He was infamously sent off in the 1989 Grenal of the Century while he was playing with Internacional against Gremio. In 2002, Mior was appointed to be the head coach of Hong Kong. He coached C.D. Nacional of Portugal for two seasons, from 2003-2005. After that, he returned to his native Brazil to coach CA Paranaense and Avaí FC.