| Audiology and Speech Language Pathology Interstate Compact | 2022 |
| Bus Taxation Proration and Reciprocity Agreement | 1967 |
| Compact for Education | 1967 |
| Compact on Mental Health | 1980 |
| Counseling Compact | 2022 |
| Driver License Compact | 1987 |
| Emergency Management Assistance Compact | 2002 |
| Great Lakes Basin Compact | 1963 |
| Great Lakes-St.Lawrence River Basin Water Resources Compact | 2008 |
| Indiana-Ohio Boundary Compact of 1830 | 1830 |
| Interstate Agreement on Detainers | 1969 |
| Interstate Agreement on Qualifications of Educational Personnel | 1969 |
| Interstate Compact for Adult Offender Supervision | 2001 |
| Interstate Compact for Juveniles | 1957 |
| Interstate Compact for the Placement of Children | 2006 |
| Interstate Compact on Adoption and Medical Assistance | 2013 |
| Interstate Compact on Educational Opportunity for Military Children | 2009 |
| Interstate Compact on Licensure of Participants in Horse Racing with Pari-Mutuel Wagering | 2007 |
| Interstate Compact on the Placement of Children | 1976 |
| Interstate Compact to Conserve Oil and Gas | 1943 |
| Interstate Corrections Compact | 1976 |
| Interstate High Speed Rail Network Compact | 1986 |
| Interstate Insurance Product Regulation Compact | 2006 |
| Interstate Library Compact | 1976 |
| Interstate Massage Compact | 2024 |
| Interstate Medical Licensure Compact | 2021 |
| Interstate Mining Compact | 1978 |
| Interstate Rail Passenger Network Compact | 1986 |
| Middle Atlantic Forest Fire Protection Compact | 1988 |
| Midwest Interstate Low-Level Radioactive Waste Compact | 1984 |
| Midwest Interstate Passenger Rail Compact | 2002 |
| Midwestern Higher Education Compact | 1991 |
| National Crime Prevention and Privacy Compact | 2004 |
| Nonresident Violator Compact | 1985 |
| Nurse Licensure Compact | 2023 |
| Occupational Therapy Licensure Compact | 2021 |
| Ohio River Valley Water Sanitation Compact | 1948 |
| Ohio-Pennsylvania Boundary of 1887 | 1887 |
| Physical Therapy Licensure Compact | 2021 |
| Psychology Interjurisdictional Compact | 2021 |
| Pymatuning Lake Compact | 1937 |
| Social Work Compact | 2024 |
| State Authorization Reciprocity Agreement | 2015 |
| Streamlined Sales Tax Agreement | 2005 |
| Wildlife Violator Compact | 2015 |