Mormon War may refer to:
- 1838 Mormon War (a.k.a. Missouri Mormon War), a conflict in 1838 between Latter Day Saints and their neighbors in northwestern Missouri
- Illinois Mormon War, a conflict in 1844–1846 between Latter Day Saints and their neighbors in western Illinois
- Utah War, a conflict in 1857–1858 between Latter Day Saints in Utah Territory and the United States federal government
|This disambiguation page lists articles associated with the title Mormon War.
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