Ohio | Columbus, Ohio | Ohio State University | Dayton, Ohio | Ohio River | Toledo, Ohio | Baltimore and Ohio Railroad | Ohio University | Akron, Ohio | Youngstown, Ohio | Canton, Ohio | Hamilton County, Ohio | Marietta, Ohio | Springfield, Ohio | Portsmouth, Ohio | Ohio House of Representatives | Massillon, Ohio | West Chester Township, Butler County, Ohio | LaRue, Ohio | Gallipolis, Ohio | Sandusky, Ohio | Yellow Springs, Ohio | Ohio Courts of Common Pleas | Lima, Ohio | Franklin County, Ohio | Cuyahoga County, Ohio | Chesapeake and Ohio Railway | Athens, Ohio | Wooster, Ohio | Steubenville, Ohio |
Marshall's biggest rivalries, out of conference, are with Ohio University, Miami University and West Virginia University, while East Carolina University and University of Central Florida have been the biggest rivals in Conference USA.