Harry Potter 20th Anniversary: Return to Hogwarts is a television special released on 1 January 2022 on HBO Max. It is a reunion special for the cast and crew of the Harry Potter film series, marking the twentieth anniversary of the series' first instalment, The Philosopher's Stone. It was produced by Warner Bros. Unscripted Television in association with Warner Horizon and executive produced by Casey Patterson.

The films' protagonist trio Daniel Radcliffe, Rupert Grint, and Emma Watson appear throughout the special, along with surviving principal cast members Helena Bonham Carter, Robbie Coltrane, Ralph Fiennes, Jason Isaacs, Gary Oldman, Tom Felton, James Phelps, Oliver Phelps, Mark Williams, Bonnie Wright, Alfred Enoch, Ian Hart, Toby Jones, Matthew Lewis, and Evanna Lynch, producer David Heyman, and filmmakers Chris Columbus, Alfonso Cuarón, Mike Newell, and David Yates. The special is also notable for marking Coltrane's final on-screen appearance prior to his death on 14 October 2022.