| Arizona-California Boundary Compact | 1963 |
| Arizona-Nevada Boundary Compact | 1960 |
| Colorado River Compact | 1944 |
| Colorado River Crime Enforcement Compact | 1985 |
| Compact for Education | 1981 |
| Cosmetology Compact | 2023 |
| Counseling Compact | 2024 |
| Driver License Compact | 1963 |
| Emergency Management Assistance Compact | 2000 |
| Interstate Agreement on Detainers | 1970 |
| Interstate Compact Defining a Portion of the Arizona-Nevada Boundary on the Colorado River | 1960 |
| Interstate Compact for Adult Offender Supervision | 2002 |
| Interstate Compact for Juveniles | 1961 |
| Interstate Compact on Adoption and Medical Assistance | |
| Interstate Compact on Educational Opportunity for Military Children | 2008 |
| Interstate Compact on Licensure of Participants in Horse Racing with Pari-Mutuel Wagering | 2002 |
| Interstate Compact on the Placement of Children | 1976 |
| Interstate Compact to Conserve Oil and Gas | 1955 |
| Interstate Corrections Compact | 1972 |
| Interstate Insurance Product Regulation Compact | 2014 |
| Interstate Medical Licensure Compact | 2016 |
| Multistate Highway Transportation Agreement | 1982 |
| Multistate Lottery Agreement | 1994 |
| National Crime Prevention and Privacy Compact | 2002 |
| Nonresident Violator Compact | 1993 |
| Nurse Licensure Compact | 2016 |
| Occupational Therapy Licensure Compact | 2022 |
| Physical Therapy Licensure Compact | 2016 |
| Psychology Interjurisdictional Compact | 2016 |
| Southwestern Low-Level Radioactive Waste Disposal Compact | 1984 |
| State Authorization Reciprocity Agreement | 2014 |
| Uniform Unclaimed Property Act | 1956 |
| Upper Colorado River Basin Compact | 1949 |
| Western Interstate Corrections Compact | 1970 |
| Western Interstate Nuclear Compact | 1969 |
| Western Regional Education Compact | 1953 |
| Wildlife Violator Compact | 1990 |