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
Deep Space 9 Resistance
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