Why We Fight is a series of seven World War II propaganda films, mostly directed by Frank Capra.

Why We Fight may also refer to:

• Why We Fight (2005 film), a documentary on the U.S. military–industrial complex
• "Why We Fight" (Angel), a 2004 episode of the television series Angel
• "Why We Fight" (Band of Brothers), an episode of the miniseries Band of Brothers
• "Why We Fight" (Jericho), a 2007 episode of the television series Jericho
• "Why We Fight" (The Expanse), a 2022 episode of the television series The Expanse
• "Why We Fight" (Revolution), a 2014 episode of the television series Revolution

• Why We Fight (John Wesley Harding album), 1992
• Why We Fight (Gatsbys American Dream album), 2002

This disambiguation page lists articles associated with the title Why We Fight.
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