A list of events in 2003 related to Star Wars.
January
- 03 – Coruscant and the Core Worlds published
- 29 – Jango Fett: Open Seasons (TPB) published.
February
- 13 – The New Jedi Order: Force Heretic I: Remnant published.
- ?? – A Forest Apart ebook published.
March
- 04 – Tatooine Ghost in hardcover form is published.
April
- 19 – Ultimate Alien Anthology published.
- 22 – Star Wars: The Clone Wars (video game) released on the Xbox platform.
- 29 – The New Jedi Order: Force Heretic II: Refugee published.
May
- 01 – Jedi Quest: The Shadow Trap published.
- 04 – Jedi: Shaak Ti published.
- 05 – Inside the Worlds of Star Wars: Attack of the Clones published.
June
- 03 – Shatterpoint published.
- 26 – Star Wars Galaxies: An Empire Divided released on the PC platform.
- 28 – Hero's Guide published.
July
- 01 – The New Jedi Order: Force Heretic III: Reunion was published.
- 17 – Star Wars: Knights of the Old Republic was released on the Xbox platform.
- 24 – "Zygerrian Takedown" was published.
August
- 24 – "Legacy of the Jedi" was published.
- ?? – Galactic Campaign Guide published.
September
- 16 – Star Wars: Jedi Knight: Jedi Academy released on the PC platform.
- 30 – The New Essential Guide to Vehicles and Vessels published.
- 30 – The New Jedi Order: The Final Prophecy published.
October
- 02 – "Korriban: Planet of Lost Souls" was published.
- 20 – Rogue Squadron III: Rebel Strike released on the Gamecube platform.
- 23 – "Rebel Jedi" was published.
November
- 04 – The New Jedi Order: The Unifying Force is published. The New Jedi Order series ends.
- 07 – Star Wars: Clone Wars begins airing on Cartoon Network
- 18 – Star Wars: Knights of the Old Republic released on the PC platform.
- 18 – Star Wars: Jedi Knight: Jedi Academy released on the Xbox platform.
- 20 – "Nightsaber" was published.
December
- 30 – Star Wars Galaxies: The Ruins of Dantooine published.
- 30 – Tatooine Ghost in paperback form is published.
Month
- Lucasfilm Animation founded