Rafael Alcântara do Nascimento (born 12 February 1993), commonly known as Rafinha ([ʁɐˈfiɲa]), is a Brazilian professional footballer who plays as a central midfielder for Spanish club Barcelona.

He started his career with Barcelona, making his debut with the first team in 2011. After a loan at Celta, he played his first La Liga match for the former club in 2014.

Rafinha represented both Spain and Brazil at youth level, before debuting with the latter at senior level in 2015.