This is a list of  regions of Arizona, United States
| Region | Description of Region | Notes | 
| Arizona Strip | Arizona Strip 
 | Mojave Desert | 
| Arizona Sun Corridor | Arizona Sun Corridor | Megaregion extending from Prescott to Nogales | 
| Arizona transition zone | Mogollon Rim and White Mountains (Arizona) in east
 | the transition zone region (diagonal across Arizona–NW-to-E-central); Colorado Plateau to northeast, lower level deserts of Basin and Range to west-(NW), SW, and south
 | 
| Borderlands | United States–Mexico border |  | 
| Canyon Lands | Monument Valley | the Canyonlands of SE Utah and NE Arizona see: Physiographic regions of the world
 | 
| Coconino Plateau | Coconino Plateau |  | 
| Colorado River | Colorado River | Mojave Desert in North In south-Sonoran Desert/Colorado Desert(So. Calif.)
 | 
| Colorado Plateau | Colorado Plateau |  | 
| Grand Canyon | Grand Canyon |  | 
| Kaibab Plateau | Kaibab Plateau |  | 
| Lower Colorado River Valley | Lower Colorado River regions | Regions below Hoover Dam south to the Colorado River Delta(Mexico)
 see: Category:Lower Colorado River Valley
 | 
| Madrean sky islands | Madrean sky islands, 
 | Southern Arizona, near Tucson, Nogales, Douglas | 
| Mogollon Plateau | Mogollon Plateau |  | 
| Mogollon Rim | Mogollon Rim |  | 
| Mojave Desert | Mojave Desert | Mohave County, Arizona and associated areas
 | 
| Monument Valley | Monument Valley the Canyon Lands
 | see: Physiographic regions of the world | 
| Navajo Nation | Navajo Nation w/Monument Valley
 
 | Northeast Arizona and the Colorado Plateau
 | 
| Northeast Arizona | Northeast Arizona |  | 
| Northern Arizona | Northern Arizona |  | 
| Oak Creek Canyon | Oak Creek Canyon bordering on west:
 Sycamore Canyon
 |  | 
| Phoenix Metropolitan Area | Phoenix Metropolitan Area | see also: Category:Phoenix metropolitan area
 | 
| San Francisco volcanic field | San Francisco volcanic field |  | 
| Sonoran Desert | Mojave Desert, Sonoran Desert | by the Hoover Dam/Lake Mead, (w&nw)(Mojave Desert) Chihuahuan Desert by extreme SE Arizona
 All of central, and sw Arizona-lower elevations below Mogollon Rim: part of Sonoran Desert; even the bottom of the Grand Canyon(a lower elevation) would have Sonoran Desert biota/Sonoran influence
 | 
| Verde Valley | Verde Valley with/ Oak Creek Canyon
 |  | 
| White Mountains (Arizona) | White Mountains (Arizona) |  |