Nikola Rak (born 29 August 1987) is a Croatian professional football midfielder, currently playing for HNK Å ibenik.
In June 2012, Rak signed a two-year contract with Slaven Belupo.
In his debut for the club in the second qualifying round of the 2012–13 UEFA Europa League on 19 July 2012, he scored a hat-trick in a 6–0 victory over Portadown.
Three days later, he hit a brace in a 3–0 away win against Cibalia in the first round of 2012–13 Prva HNL.