The Great Lakes Colleges Association (GLCA) is a consortium of 13 liberal arts colleges located in the states around the Great Lakes. The GLCA's offices are located in Ann Arbor, Michigan and its 13 schools are located in Michigan, Ohio, Pennsylvania and Indiana. It was chartered in the state of Michigan and incorporated as a 501(c)(3) non-profit organization in 1962. Its stated mission is to take actions that will help strengthen and preserve its colleges, being a leading force on behalf of education in the tradition of the liberal arts and sciences.
The Heartland Collegiate Athletic Conference (HCAC) is an intercollegiate athletic conference affiliated with the NCAA's Division III. Member institutions are located in Indiana, Kentucky and Ohio. Founded as the Indiana Collegiate Athletic Conference (ICAC) in 1987, it reincorporated under its current name in 1998 with the addition of several schools from Ohio.
The Ohio Athletic Conference (OAC) was formed in 1902 and is the third oldest athletic conference in the United States. Its current commissioner is Sarah Otey. Former commissioners include Mike Cleary, who was the first General Manager of a professional basketball team to hire an African American head coach, and would later run the National Association of Collegiate Directors of Athletics (NACDA). The Ohio Athletic Conference competes in the NCAA's Division III. Through the years, 31 schools have been members of the OAC. The enrollments of the current ten member institutions range from around 1,000 to 4,500. Member teams are located in Ohio.
The Presidents' Athletic Conference (PAC) is an athletic conference which competes in the NCAA's Division III. Of its 11 current member schools, all private, liberal arts institutions of higher learning, nine are located in Western Pennsylvania. The other two are located in areas adjacent and historically tied to Western Pennsylvania—Appalachian Ohio and the Northern Panhandle of West Virginia.
The Southern Collegiate Athletic Conference (SCAC), founded in 1962, is an athletic conference which competes in the NCAA's Division III. Member institutions are located in Colorado, Louisiana, and Texas. Difficulties related to travel distances led seven former members to announce the formation of a new Southeastern US-based conference, the Southern Athletic Association, starting with the 2012–13 academic year.
The University Athletic Association (UAA) is an American athletic conference that competes in the National Collegiate Athletic Association's (NCAA) Division III. Member schools are highly selective universities located in Georgia, Illinois, Missouri, Pennsylvania, Massachusetts, Ohio, and New York. The eight members are Brandeis University, Carnegie Mellon University, Case Western Reserve University, Emory University, New York University, The University of Chicago, University of Rochester, and Washington University in St. Louis.
The College of Wooster is a private liberal arts college in Wooster, Ohio. Founded in 1866 by the Presbyterian Church as the University of Wooster, it has been officially non-sectarian since 1969. From its creation, the college has been a co-educational institution. It enrolls about 2,000 students and is a member of The Five Colleges of Ohio, Great Lakes Colleges Association, and the Association of Presbyterian Colleges and Universities.
Denison University is a private liberal arts college in Granville, Ohio. One of the earliest colleges established in the former Northwest Territory, Denison University was founded in 1831. It was first called the Granville Literary and Theological Institution, later took the name Granville College, and, in the mid-1850s, was renamed Denison University, in honor of a key benefactor. The college enrolled 2,300 students in Fall 2023 and students choose from 65 academic programs.
The Oberlin Group of Libraries is a consortium of liberal arts college libraries. The group evolved from meetings of college presidents in 1985 and 1986 at Oberlin College. As of 2021, it has 80 members.
James Steen served as a swim coach at Kenyon College from 1976 to 2012, where he became the first coach in NCAA collegiate history to have his men's and women's teams win a combined 50 Division III NCAA championships.
The Consortium of Liberal Arts Colleges (CLAC) is a nonprofit organization of 75 American liberal arts colleges which formed in 1984 under the leadership of Oberlin College's president S. Frederick Starr. CLAC brings together the IT professionals from its member colleges and universities to help those institutions make the best use of technology to enrich students’ learning, facilitate teaching and research, and to support the business of the higher education. CLAC has been supporting collaboration, knowledge sharing, professional growth of its IT members, and advocacy for the liberal arts at the national level for more three decades.
The Allegheny Rugby Union is a non-profit corporation whose objective is to promote, serve, and manage the game of rugby union in the greater Pittsburgh area. The Allegheny area is the region described as Western Pennsylvania, Western New York, Northern West Virginia and Eastern Ohio bordering Pennsylvania in the United States of America. The Allegheny Rugby Union is a member of the Midwest Rugby Football Union (MRFU) and USA Rugby.
The Oberlin Yeomen football program represents Oberlin College in college football at the NCAA Division III level. The program is known for having begun the coaching career of player and coach John Heisman, being the last in-state team to defeat Ohio State, and for having one of the worst records in college football history from 1990 to 2001.
The Southern Athletic Association (SAA) is a college athletic conference in NCAA Division III that began play in the 2012–13 school year. It was formed in 2011 by seven former members of the Southern Collegiate Athletic Conference and independent Berry College.
The Indiana Intercollegiate Athletic Association was an American college athletic conference established in 1890 by institutions in the state of Indiana. At a time when the National Collegiate Athletics Association (NCAA) did not yet exist, such organizations attempted to bring order out of the chaos of the formative years of American intercollegiate sports.
The Global Liberal Arts Alliance is an association of liberal arts colleges around the world. It was established in 2009. The goal of the consortium is to provide an international framework for cooperation among institutions following the American liberal arts college model.
The Buckeye Athletic Association, also known as the Buckeye Conference, was an athletic league formed out of members of the Ohio Athletic Conference. Its original membership in 1926 included Ohio Wesleyan University, Ohio University (Bobcats), Miami University, the University of Cincinnati (Bearcats), Denison University and Wittenberg University. The Battling Bishops of OWU won the first title in football in 1926. The league was asked to end the membership in both the OAC and the Buckeye in 1928, at which time all the schools voted to instead leave their membership in the OAC behind and be only members of the Buckeye.
The Case Western Reserve Spartans football team is the varsity intercollegiate football team representing the Case Western Reserve University, located in Cleveland, Ohio. They compete in the National Collegiate Athletic Association (NCAA) at the Division III level and hold dual membership in both the Presidents' Athletic Conference (PAC) and the University Athletic Association (UAA). They are coached by Greg Debeljak. Home games are played at DiSanto Field. The team in its current form was created in 1970 after the federation of Western Reserve University and Case Institute of Technology.
The 1946 Ohio Athletic Conference football season was the season of college football played by the 21 member schools of the Ohio Athletic Conference (OAC), commonly referred to as the "Ohio Conference", as part of the 1946 college football season.
The 1945 Ohio Athletic Conference football season was the season of college football played by the 13 member schools of the Ohio Athletic Conference (OAC), commonly referred to as the "Ohio Conference", as part of the 1945 college football season.
full members and 
future full member.
full members and 
future full member.