Following is a list of dams and reservoirs in Arizona.

All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m³), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m³).^[1]

This list is incomplete. You can help Wikipedia by expanding it.

• Alamo Dam, Alamo Lake, United States Army Corps of Engineers
• Ashfork-Bainbridge Steel Dam, Steel Dam Reservoir, privately owned
• Bartlett Dam, Bartlett Lake, United States Bureau of Reclamation
• Cave Buttes Dam, Cave Creek Reservoir, Flood Control District of Maricopa County
• Childs-Irving Hydroelectric Facilities, Stehr Lake, privately owned
• Coolidge Dam, San Carlos Lake, United States Bureau of Indian Affairs
• Davis Dam, Lake Mohave, USBR
• Gillespie Dam, unnamed reservoir, privately owned
• Glen Canyon Dam, Lake Powell, USBR
• Granite Basin Dam, Granite Basin Lake, United States Forest Service
• Granite Reef Diversion Dam, unnamed reservoir of the Salt River, USBR
• Headgate Rock Dam, unnamed reservoir, Flood Control District of Maricopa County
• Hoover Dam, Lake Mead, USBR
• Horse Mesa Dam, Apache Lake, USBR
• Horseshoe Dam, Horseshoe Lake, USBR
• Imperial Dam, Imperial Reservoir, USBR
• Laguna Diversion Dam, unnamed reservoir of the Colorado River, USBR (on California border)
• Lyman Dam, Lyman Reservoir, privately owned
• Morelos Dam, unnamed reservoir of the Colorado River, International Boundary and Water Commission (on Mexican border)
• Mormon Flat Dam, Canyon Lake, USBR
• New Cornelia Tailings Dam, largest US dam by volume, privately owned
• New Waddell Dam, Lake Pleasant, USBR
• Painted Rock Dam, Painted Rock Reservoir, USACE
• Palo Verde Dam, diversion dam on the Colorado River, USBR
• Parker Dam, Lake Havasu, USBR
• Stewart Mountain Dam, Saguaro Lake, USBR
• Theodore Roosevelt Dam, Theodore Roosevelt Lake, USBR