List of battles fought in Ohio
# List of battles fought in Ohio

This is an incomplete list of military confrontations that have occurred within the boundaries of the modern US State of Ohio since European contact. The region was part of New France from 1679–1763, ruled by Great Britain from 1763–1783, and part of the United States of America 1783–present.

Several wars that have directly affected the region including the French and Indian War (1754–1763), American Revolutionary War (1775–1783), Northwest Indian War (1785–1795), Tecumseh's War (1811–1812), War of 1812 (1812–1814), and the American Civil War (1860–1865).

## Battles

| Name | Date | Location | War | Campaign | Dead | Belligerents |
| - | - | - | - | - | - | - |
| Fort Sandusky | May 16, 1763 | disputed | Pontiac's Rebellion | | 15+ | Wyandot vs Kingdom of Great Britain |
| Siege of Fort Laurens | February 22 - March 20, 1779 | near modern Bolivar, Ohio | American Revolutionary War | Western theater | 17+ | Kingdom of Great Britain & Native allies vs. United States of America |
| Battle of Chillicothe | May 1779 | present-day Xenia Township, Greene County, Ohio | American Revolutionary War | Western theater | unknown | Kentucky militia vs Shawnee |
| Gnadenhutten massacre | March 8, 1782 | Gnadenhutten, Ohio | American Revolutionary War | Western theater | 96 | Pennsylvania militia vs Christian Lenape |
| Logan's Raid | October 1786 | near modern Springfield, Ohio | Northwest Indian War | | 11 | Shawnee vs Kentucky militia |
| Big Bottom massacre | January 2, 1791 | near modern Stockport, Ohio | Northwest Indian War | | 12 | Lenape & Wyandot vs Ohio settlers |
| Siege of Dunlap's Station | January 8–11, 1791 | near modern Dunlap, Ohio | Northwest Indian War | | 2 | Native Americans vs Ohio settlers |
| St. Clair's Defeat | November 4, 1791 | near modern Fort Recovery, Ohio | Northwest Indian War | | 893+ | Western Confederacy vs United States of America |
| Attack on Fort St. Clair | November 9, 1792 | modern Preble County | Northwest Indian War | | 10+ | Miami vs Kentucky militia |
| Siege of Fort Recovery | June 30-July 1, 1794 | modern Fort Recovery, Ohio | Northwest Indian War | | 43+ | Western Confederacy vs United States of America |
| Battle of Fallen Timbers | August 20, 1794 | near modern Maumee, Ohio | Northwest Indian War | | 77 | Western Confederacy vs United States of America |
| Battle of Marblehead Peninsula | September 29, 1812 | modern Marblehead, Ohio | War of 1812 | | 48 | Tecumseh's confederacy vs United States citizens |
| Siege of Fort Meigs | April 28 - May 9, 1813 | modern Perrysburg, Ohio | War of 1812 | | 174+ | United Kingdom & Native Americans vs United States of America |
| Battle of Fort Stephenson | August 2, 1813 | modern Sandusky County, Ohio | War of 1812 | | 27 | United Kingdom & Tecumseh's confederacy vs United States of America |
| Battle of Put-in-Bay | September 10, 1813 | Lake Erie near modern Put-in-Bay, Ohio | War of 1812 | | 68 | United Kingdom vs United States of America |
| Battle of Buffington Island | July 19, 1863 | Portland, Ohio / Buffington Island | American Civil War | Morgan's Raid (1863) | 77 | United States of America vs Confederate States of America |
| Battle of Salineville | June 26, 1863 | near Salineville, Ohio | American Civil War | Morgan's Raid (1863) | | United States of America vs Confederate States of America |
| Cincinnati Courthouse riots | March 28–30, 1884 | Cincinnati, Ohio | | Protest of a jury case | 56 | Citizen mob vs Cincinnati Police, 1st Ohio Militia, Dayton militia & Columbus militia |
