This is a list of Indiana county name etymologies. Many Indiana counties are named for personalities of the American Revolutionary War, the War of 1812 and Battle of Tippecanoe; early leaders of Indiana Territory and Indiana, as well as surrounding states like Michigan and Kentucky; and the usual smattering of Native American tribes, geographical features and Founding Fathers.

• Adams County: Adams is named for U.S. President John Quincy Adams.
• Allen County: Allen is named for Col. John Allen, who fought against Tecumseh during the 1812 siege of Fort Wayne.
• Bartholemew County: Bartholemew is named for Joseph Bartholomew , an officer of the Battle of Tippecanoe.
• Benton County: Benton is named for U.S. Senator Thomas H. Benton.
• Blackford County: Blackford is named for Isaac Blackford , the first Speaker of the Indiana General Assembly.
• Boone County: Boone is named for frontiersman Daniel Boone.
• Brown County: Brown is named for Gen. Jacob Brown, who fought in the War of 1812.
• Carroll County: Carroll is named for Charles Carroll of Carrollton.
• Cass County: Cass is named for Governor of Michigan and U.S. Cabinet member Lewis Cass.
• Clark County: Clark is named for George Rodgers Clark, the hero of the western front of the American Revolutionary War.
• Clay County: Clay is named for U.S. Speaker of the House Henry Clay.
• Clinton County: Clinton is named for Governor of New York DeWitt Clinton.
• Crawford County: Crawford is named for either U.S. Treasury Secretary William Crawford or Col. William Crawford, a friend of George Washington's.
• Daviess County: Daviess is named for military man Joseph Daviess .
• Dearborn County: Dearborn is named for U.S. Secretary of War Henry Dearborn.
• Decatur County: Decatur is named for Stephen Decatur, a naval leader in the War of 1812.
• De Kalb County: De Kalb is named for Johann de Kalb, a German national who fought with the Continentals during the American Revolutionary War.
• Delaware County: Delaware is named for the Delaware Native American people.
• Dubois County: Dubois is named for Toussaint Dubois , who fought in the War of 1812.
• Elkhart County: Elkhart is named for the Elkhart Native American people.
• Fayette County: Fayette is named for the Marquis de la Fayette.
• Floyd County: Floyd is named for either Col. John Floyd of Virginia or for either early settler Davis Floyd or early settler John Floyd.
• Fountain County: Fountain is named for soldier James Fountain who was killed at the Battle of Maumee in 1790.
• Franklin County: Franklin is named for Founding Father Benjamin Franklin.
• Fulton County: Fulton is named for Robert Fulton, inventor of the steamboat.
• Gibson County: Gibson is named for John Gibson, a secretary of the Indiana Territory.
• Grant County: Grant is named for Captains Samuel and Moses Grant of Kentucky.
• Greene County: Greene is named for Nathanael Greene, an officer of the American Revolutionary War.
• Hamilton County: Hamilton is named for Founding Father Alexander Hamilton.
• Hancock County: Hancock is named for president of the Continental Congress John Hancock.
• Harrison County: Harrison is named for William Henry Harrison, governor of Indiana Territory and later U.S. President.
• Hendricks County: Hendricks is named for Governor of Indiana William Hendricks.
• Henry County: Henry is named for Patriot Patrick Henry.
• Howard County: Howard is named for T. A. Howard, a U.S. Representative from Indiana.
• Huntington County: Huntington is named for president of the Continental Congress Samuel Huntington.
• Jackson County: Jackson is named for U.S. President Andrew Jackson.
• Jasper County: Jasper is named for Sgt. William Jasper, a famous scout for the Continentals during the Revolutionary War.
• Jay County: Jay is named for U.S. Secretary of State John Jay.
• Jefferson County: Jefferson is named for U.S. President Thomas Jefferson.
• Jennings County: Jennings is named for Governor of Indiana Jonathan Jennings.
• Johnson County: Johnson is named for John Johnson, a judge of the Indiana Supreme Court .
• Knox County: Knox is named for U.S. Secretary of War Henry Knox.
• Kosciusko County: Kosciusko is named for Thaddeus Kosciusko, a Polish ally of the Americans during the Revolutionary War.
• Lagrange County: Lagrange is named after the Marquis de la Fayette's home outside of Paris, France.
• Lake County: Lake is named for its location on Lake Michigan.
• LaPorte County: LaPorte means the door or the port in the French language.
• Lawrence County: Lawrence is named for U.S. naval leader James Lawrence.
• Madison County: Madison is named for U.S. President James Madison.
• Marion County: Marion is named for Francis Marion, the "Swamp Fox" of the American Revolutionary War.
• Marshall County: Marshall is named for U.S. Chief Justice John Marshall.
• Martin County: Martin is named for Maj. John T. Martin of Kentucky
• Miami County: Miami is named for the Miami Native American people.
• Monroe County: Monroe is named for U.S. President James Monroe.
• Montgomery County: Montgomery is named for Richard Montgomery, an officer of the American Revolutionary War.
• Morgan County: Morgan is named for Daniel Morgan, an officer of the American Revolutionary War.
• Newton County: Newton is named for Sgt. John Newton.
• Noble County: Noble is named for James Noble, the first U.S. Senator from Indiana.
• Ohio County: Ohio is named for the Ohio River.
• Orange County: Orange is named for Orange County, North Carolina.
• Owen County: Owen is named for Abraham Owen , a colonel who died at the Battle of Tippecanoe.
• Parke County: Parke is named for Benjamin Parke , a delegate of Indiana Territory to the U.S. Congress.
• Perry County: Perry is named for U.S. naval officer Oliver Hazard Perry.
• Pike County: Pike is named for explorer Zebulon M. Pike.
• Porter County: Porter is named for David Porter, a notable Commodore for the Americans during the War of 1812.
• Posey County: Posey is named for Thomas Posey, a governor of Indiana Territory.
• Pulaski County: Pulaski is named for Kazimierz Pulaski, an ally of the Americans during the Revolutionary War.
• Putnam County: Putnam is named for American Revolutionary War general Israel Putnam.
• Randolph County: Randolph is named for either Thomas Randolph or Randolph County, North Carolina.
• Ripley County: Ripley is named for Eleazer W. Ripley , an officer of the War of 1812.
• Rush County: Rush is named for Founding Father Benjamin Rush.
• St. Joseph County: St. Joseph is named for the St. Joseph River.
• Scott County: Scott is named for Governor of Kentucky Charles Scott .
• Shelby County: Shelby is named for Governor of Kentucky Isaac Shelby.
• Spencer County: Spencer is named for Spier Spencer , a soldier of the Battle of Tippecanoe.
• Starke County: Starke is named for John Stark, an officer of the American Revolutionary War.
• Steuben County: Steuben is named for Baron Frederick von Steuben, an officer of the American Revolutionary War.
• Sullivan County: Sullivan is named for Daniel Sullivan, a soldier of the American Revolutionary War.
• Switzerland County: Switzerland is named for the home country of many of the early settlers.
• Tippecanoe County: Tippecanoe is named for the Tippecanoe River and the Battle of Tippecanoe.
• Tipton County: Tipton is named for John Tipton , a soldier of the Battle of Tippecanoe.
• Union County: Union is so named because it is the product of a union of parts of Fayette, Franklin and Wayne counties, as united into one county in 1821.
• Vanderburgh County: Vanderburgh is named for Henry Vanderburgh, a judge for Indiana Territory.
• Vermillion County: Vermillion is named for the Vermillion River.
• Vigo County: Vigo is named for Francis Vigo , a Spanish tradesman from St. Louis who assisted George Rogers Clark's campaigns during the American Revolutionary War.
• Wabash County: Wabash is named for the Wabash River.
• Warren County: Warren is named for Joseph Warren, an American Revolutionary War soldier.
• Warrick County: Warrick is named for Jacob Warrick , a notable soldier of the Battle of Tippecanoe.
• Washington County: Washington is named for U.S. President George Washington.
• Wayne County: Wayne is named for Gen. "Mad" Anthony Wayne.
• Wells County: Wells is named for Captain William A. Wells , a scout for Gen. "Mad" Anthony Wayne.
• White County: White is named for Isaac White , a soldier who was killed at the Battle of Tippecanoe.
• Whitley County: Whitley is named for Col. William Whitley , who was killed in the War of 1812.

Source

• Indiana County Names
• Stats Indiana: Indiana Profiles

See also

• Indiana
• List of Indiana counties
• Lists of U.S. county name etymologies
• County (United States)