January 21 is the 21st day of the year. 344 days (345 in leap years) remain in the year after this day.
- 1970 – Ken Leung is born.
- 1998 – Boba Fett: Death, Lies, & Treachery published.
- 2003 – Star Wars Insider 65 published.
- 2005 – "Shadows of Darkness" archived online.
- 2009 – Knights of the Old Republic 37 published.
- 2009 – Star Wars: Legacy Volume 5: The Hidden Temple published.
- 2009 – The Clone Wars: Neighbors released.
- 2009 – Star Wars Omnibus: Rise of the Sith published.
- 2009 – Star Wars Insider 107 published.
- 2011 – "Witches of the Mist" airs on Cartoon Network.
- 2014 – The Rakghoul Resurgence World Event begins in Star Wars: The Old Republic.
- 2014 – Slugthrowers: An Overview of Popular Music and Musicians in a Galaxy Far, Far Away Part 2 published.
- 2014 – Star Wars Insider 147 published.
- 2015 – Star Wars Rebels Magazine 1 published in Germany.
- 2017 – "Trials of the Darksaber" airs on Disney XD.
- 2019 – Merwin Goldsmith dies.
- 2020 – Star Wars Legends: Forever Crimson published.
- 2022 – "The Book of Boba Fett: Vol. 1 (Chapters 1-4) [Original Soundtrack]" was digitally released.
- 2025 – Star Wars: The High Republic Adventures Volume 2 (Phase III) to be published.
