This is a list of mammals of Arizona. It includes species native to the U.S. state of Arizona and mammals accidentally introduced into the state. However, it does not include domesticated animals that become feral and cause major disruptions to various ecosystems.

Opossums

Family: Didelphidae

Virginia opossum, Didelphis virginiana

Shrews

Family: Soricidae

North American least shrew, Cryptotis parva

Crawford's gray shrew, Notiosorex crawfordi

Arizona shrew, Sorex arizonae

Cinereus shrew, Sorex cinereus

Merriam's shrew, Sorex merriami

Montane shrew, Sorex monticolus

American water shrew, Sorex palustris

Bats

Family: Molossidae

Western mastiff bat, Eumops perotis

Pocketed free-tailed bat, Nyctinomops femorosaccus

Big free-tailed bat, Nyctinomops macrotis

Mexican free-tailed bat, Tadarida brasiliensis

Family: Phyllostomidae

Mexican long-tongued bat, Choeronycteris mexicana

Greater long-nosed bat, Leptonycteris nivalis

Lesser long-nosed bat, Leptonycteris yerbabuenae

California leaf-nosed bat, Macrotus californicus

Family: Vespertilionidae

Hoary bat, Aeorestes cinereus

Pallid bat, Antrozous pallidus

Townsend's big-eared bat, Corynorhinus townsendii

Big brown bat, Eptesicus fuscus

Spotted bat, Euderma maculatum

Allen's big-eared bat, Idionycteris phyllotis

Silver-haired bat, Lasionycteris noctivagans

Western red bat, Lasiurus blossevillii

Western yellow bat, Lasiurus xanthinus

Southwestern myotis, Myotis auriculus

California myotis, Myotis californicus

Western small-footed myotis, Myotis ciliolabrum

Long-eared myotis, Myotis evotis

Little brown bat, Myotis lucifugus

Arizona myotis, Myotis occultus

Fringed myotis, Myotis thysanodes

Yuma myotis, Myotis yumanensis

Western pipistrelle, Pipistrellus hersperus

Lagomorphs

Family: Leporidae

Antelope jackrabbit, Lepus alleni

Black-tailed jackrabbit, Lepus californicus

White-sided jackrabbit, Lepus callotis presence uncertain

Desert cottontail, Sylvilagus audubonii

Eastern cottontail, Sylvilagus floridanus

Robust cottontail, Sylvilagus holzneri

S. h. hesperius

Mountain cottontail, Sylvilagus nuttallii

Rodents

Family: Castoridae

American beaver, Castor canadensis

Family: Geomyidae

Yellow-faced pocket gopher, Cratogeomys castanops

Desert pocket gopher, Geomys arenarius

Plains pocket gopher, Geomys bursarius

Botta's pocket gopher, Thomomys bottae

Northern pocket gopher, Thomomys talpoides

Southern pocket gopher, Thomomys umbrinus

Family: Heteromyidae

Bailey's pocket mouse, Chaetodipus balieyi

Hispid pocket mouse, Chaetodipus hispidus

Rock pocket mouse, Chaetodipus intermedius

Desert pocket mouse, Chaetodipus penicillatus

Spiny pocket mouse, Chaetodipus spinatus

Merriam's kangaroo rat, Dipodomys merriamii

Ord's kangaroo rat, Dipodomys ordii

Banner-tailed kangaroo rat, Dipodomys spectabilis

Arizona pocket mouse, Perognathus amplus

Silky pocket mouse, Perognathus flavus

Little pocket mouse, Perognathus longirostris

Merriam's pocket mouse, Perognathus merriami

Great Basin pocket mouse, Perognathus parvus

Family: Cricetidae

Northern pygmy mouse, Baiomys taylori

Long-tailed vole, Microtus longicadus

Mogollon vole, Microtus mogollonenis

Montane vole, Microtus montanus

Southern red-backed vole, Myodes gapperi

White-throated woodrat, Neotoma albigula

Bushy-tailed woodrat, Neotoma cinerea

Arizona woodrat, Neotoma devia

Desert woodrat, Neotoma lepida

White-toothed woodrat, Neotoma leucodon

Mexican woodrat, Neotoma mexicana

Stephen's woodrat, Neotoma stephensi

Common muskrat, Ondatra zibethicus

Northern grasshopper mouse, Onychomys leucogaster

Southern grasshopper mouse, Onychomys torridus

Brush deermouse, Peromyscus boylii

Canyon deermouse, Peromyscus crinitus

Cactus deermouse, Peromyscus eremicus

Gambel's deermouse, Peromyscus gambelii

Southern deermouse, Peromyscus labecula

White-footed mouse, Peromyscus leucopus

Black-eared mouse, Peromyscus melanotis

Northern rock mouse, Peromyscus nasutus

Western deer mouse, Peromyscus sonoriensis

Pinyon mouse, Peromyscus truei

List of mammals of Arizona