Ohio has many consortia, or associations established by formal agreement, for the purpose of resource sharing. These consortia share collections, data, facilities, equipment, personnel, and more, for the benefit of their users and to reduce expenses. Consortia are in Ohio include:
| Central Library Consortium (CLC) | CLEVNET | Council of Ashtabula County Libraries (CACL) |
| CONSORT | Dayton Metro Library Consortium | Discovery Place Libraries |
Independently Cooperating Ashtabula Network (ICAN) | INFOhio | Licking County Library Cluster |
| Ohio Libraries Share: MORE | Ohio Private Academic Libraries (OPAL) | OhioLINK |
| Portage Library Consortium | Preble County District Library System | SearchOhio |
| SEO | Stark Libraries Information Consortium (SLIC) | Trumbull Independent Public Libraries (TIPL) |
A detailed and up to date Ohio Library Consortia Defined document is available on the State Library of Ohio website at:
www.library.ohio.gov/sites/default/files/ohlibconsortia.pdf

A map of Library Consortia in Ohio is available on the State Library of Ohio website at: www.library.ohio.gov/sites/default/files/consortOhio.jpg