Guillermo "Mito" Pereira Hinke (born 31 March 1995) is a Chilean professional golfer who plays on the PGA Tour, having earned an automatic three-win promotion from the 2020–21 Korn Ferry Tour.
Pereira turned professional in the second half of 2015 and joined the 2016 PGA Tour Latinoamérica, where he won the Roberto De Vicenzo Punta del Este Open Copa NEC and managed to reach the top-spot of the Order of Merit, to become the youngest player ever ranked No. 1. In addition to his victory, he had two runner-up finishes and four further top-10s in 18 starts and ended the season ranked No. 3 on the Order of Merit, earning promotion to the 2017 Web.com Tour where his best finish was T3 at the Nashville Golf Open.
At the 2019 Pan American Games, Pereira won the bronze medal in the men's individual competition.