Grey Wolf Subspecies
- Arabian Wolf (canis lupus arab) : Endangered
- Arctic Wolf (canis lupus arctos) : Endangered
- Mexican Wolf (canis lupus baileyil) : Endangered
- Steppe Wolf (canis lupus campestris)
- Italian Wolf (canis lupus italicus)
- Mongolian Wolf (canis lupus chanco)
- Alexander Archipelago Wolf (canis lupus ligoni) : Endangered
- Eurasian Wolf (canis lupus lupus)
- Mackenzie Valley Wolf (canis lupus occidentalis) : Endangered
- Yukon Wolf (canis lupus pambasileus)
- Iberian Wolf (canis lupus signatus) : Endangered
- Alaskan Wolf (canis lupus tundrarum) :Endangered
- British Colombian Wolf (canis lupus columbianus) : Endangered
- Vancouver Island Wolf (canis lupus crassodon) : Endangered
- Cascade Mountain Wolf (canis lupus fuscus) : Extinct
- Labrador Wolf (canis lupus labadoriu) : Endangered
- Northern Rocky Mountain Wolf (canis lupus irremotus) : Extinct
- Southern Rocky Mountain Wolf (canis lupus youngi) : Extinct
- Eastern Timber Wolf (canis lupus lycaon) : Endangered
- Hudson Bay Wolf (canis lupus hudsonicus) : Endangered
- Banks Island Tundra Wolf (canis lupus bernardi) : Extinct
- Baffin Island Tundra Wolf (canis lupus manningi) : Endangered
- Tundra Wolf (canis lupus albus)
- Kenai Peninsula Wolf (canis lupus alces) : Extinct
- Newfoundland Wolf (canis lupus beothucus) : Extinct
- Dingo (canis lupus dingo)
- Manitoba Wolf (canis lupus griseoalbus) : Extinct
- Hokkaido Wolf (canis lupus hattai) : Extinct
- Honshu Wolf (canis lupus hodophilax) : Extinct
- Mackenzie River Wolf (canis lupus mackenzii) : Endangered
- Mogollan Mountain Wolf (canis lupus mogollonensis) : Extinct
- Texas Wolf (canis lupus monstrabilis) : Extinct
- Buffalo Wolf (canis lupus nubilus) : Extinct
- Greenland Wolf (canis lupus orion)
- Florida Black Wolf (canis lupus floridanus) : Extinct
- Russian Wolf (canis lupus communis)
- Caspian Sea Wolf (canis lupus cubanensis)
- Spanish Wolf (canis lupus deitanus) : Extinct
- Asian Desert Wolf (canis lupus desertorum)
- Tibetan Wolf (canis lupus laniger)
- Egyptian Wolf (canis lupus lupaster )
- Austro-Hungarian Wolf (canis lupus minor)
Red Wolf Subspecies
- Swamp Wolf (canis rufus gregoryi) : Endangered
- Texas Red Wolf (canis rufus rufus) : Extinct
Ethiopian Subspecies
- Northern Ethiopian Wolf (canis simensis)
- Southern Ethiopian Wolf (canis citernii)