May 23 is the 143rd day of the year (144th in leap years). There are 222 days remaining.
- 1938 – Barrie Holland is born.
- 1938 – Robert Watts is born.
- 1946 – Anthony May is born.
- 1963 – Mike Deodato, Jr. is born.
- 1967 – Sean Williams is born.
- 1977 – Richard Ayoade is born.
- 1979 – Star Wars Weekly 65 published.
- 1979 – Star Friends PSA released.
- 1984 – Return of the Jedi Weekly 49 published.
- 1987 – The three-day celebration Starlog Salutes Star Wars, the first officially sanctioned Star Wars convention, begins.
- 1995 – Star Wars: Return of the Jedi published.
- 1995 – Dark Empire II 6 published.
- 1995 – The Empire Strikes Back: The National Public Radio Dramatization published.
- 2005 – Art of Revenge picture series on Hyperspace concludes.
- 2007 – Legacy (2006) 12 published.
- 2008 – "Lando Calrissian: Idiot's Array" published as a Hyperspace Exclusive Short Story.
- 2012 – Darth Vader and the Ghost Prison 1 published.
- 2017 – Star Wars: Rogue One: Death Star Deluxe Book and 3D Wood Model published.
- 2017 – Star Wars Insider 173 published.
- 2018 – Star Wars (2015) 48 published.
- 2018 – Star Wars Annual (2015) 4 published.
- 2018 – Doctor Aphra (2016) 20 published.
- 2023 – The High Republic: The Edge of Balance: Precedent published.
- 2023 – Star Wars Vol. 5: The Path to Victory published.
- 2023 – Dawn of the Jedi: Into the Void reprinted as part of The Essential Legends Collection.
- 2023 – Republic Commando: Hard Contact reprinted as part of The Essential Legends Collection.
- 2023 – Yoda: Dark Rendezvous reprinted as part of The Essential Legends Collection.