Liste over counties i Ohio

Liste over amter i Ohio. Den amerikanske delstat Ohio består af 88 amter (counties).

county	Grundlagt	Hovedsæde
Adams County	1797	West Union
Allen County	1820	Lima
Ashland County	1846	Ashland
Ashtabula County	1807	Jefferson
Athens County	1805	Athens
Auglaize County	1848	Wapakoneta
Belmont County	1801	St. Clairsville
Brown County	1818	Georgetown
Butler County	1803	Hamilton
Carroll County	1833	Carrollton
Champaign County	1805	Urbana
Clark County	1818	Springfield
Clermont County	1800	Batvia
Clinton County	1810	Wilmington
Columbiana County	1803	Lisbon
Coshocton County	1810	Coshocton
Crawford County	1820	Bucyrus
Cuyahoga County	1807	Cleveland
Darke County	1808	Greenville
Defiance County	1845	Defiance
Delaware County	1808	Delaware
Erie County	1838	Sandusky
Fairfield County	1800	Lancaster
Fayette County		Washington
Franklin County	1803	Columbus
Fulton County	1850	Wauseon
Gallia County	1803	Gallipolis
Geauga County	1806	Chardon
Greene County		Xenia
Guernsey County		Cambridge
Hamilton County		Cincinnati
Hancock County		Findlay
Hardin County		Kenton
Harrison County		Cadiz
Henry County		Napoleon
Highland County		Hillsboro
Hocking County		Logan
Holmes County		Millersburg
Huron County		Norwalk
Jackson County		Jackson
Jefferson County		Steubenville
Knox County		Mount Vernon
Lake County		Painesville
Lawrence County		Ironton
Licking County		Newark
Logan County		Bellefontaine
Lorain County		Elyria
Lucas County		Toledo
Madison County		London
Mahoning County		Youngstown
Marion County		Marion
Medina County		Medina
Meigs County		Pomeroy
Mercer County		Celina
Miami County		Troy
Monroe County		Woodsfield
Montgomery County		Dayton
Morgan County		McConnelsville
Morrow County		Mount Gilead
Muskingum County		Zanesville
Noble County		Cladwell
Ottawa County		Port Clinton
Paulding County		Paulding
Perry County		New Lexington
Pickaway County		Circleville
Pike County		Waverly
Portage County		Ravenna
Preble County		Eaton
Putnam County		Ottawa
Richland County		Mansfield
Ross County		Chillicothe
Sandusky County		Fremont
Scioto County		Portsmouth
Seneca County		Tiffin
Shelby County		Sidney
Stark County		Canton
Summit County		Akron
Trumbull County		Warren
Tuscarawas County		New Philadelphia
Union County		Marysville
Van Wert County		Van Wert
Vinton County		McArthur
Warren County		Lebanon
Washington County		Marietta
Wayne County		Wooster
Williams County		Bryan
Wood County		Bowling Green
Wyandot County		Upper Sandusky