The Battle of Deep Space 9 may refer to the following four engagements:

• First Battle of Deep Space 9, fought in 2372, beginning the Second Federation-Klingon War
• Battle of Terok Nor, fought in 2372 between the Terran Resistance Forces the Klingon-Cardassian Alliance
• Second Battle of Deep Space 9, fought in 2373, beginning the Dominion War
• Operation Return, the code name for the Federation Alliance effort to reclaimed Deep Space 9 in 2374

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.