At least two Federation starships have been named USS Excalibur after the mythical sword of King Arthur.

• USS Excalibur (NCC-1664), a 23rd century ship
• USS Excalibur (NCC-26517), a 24th century ship

This is a disambiguation page; that is, one that points to other pages that have the same or a similar name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.