Nolan Sorrento is the main antagonist of Ernest Cline's 2011 science-fiction novel Ready Player One, its 2018 live-action film adaptation of the same name and the secondary antagonist in its 2020 sequel novel Ready Player Two.
He is a corrupt and egomaniacal businessman who is the head of operations at Innovative Online Industries (CEO in the film version), which desires to achieve absolute control over James Halliday's OASIS by finding Halliday's Easter egg in the contest the OASIS' creator left behind after his death. Sorrento is the superior of F’Nale Zandor, I-R0k and the Sixers as well as Wade Watts' arch-nemesis.