is a Japanese name which historically referred to the lands to the north of the Japanese island of Honshu.

Ezo or EZO may also refer to:

Places and peoples Hokkaido, formerly known as Ezo, the second largest island of Japan Republic of Ezo, a short-lived state in 1869 on Hokkaido Ainu people, in the historical Japanese texts Ezo, an indigenous people of Japan Ezo, South Sudan

Species Ezo (alga), a genus of red algae in the subfamily Lithophylloideae Ezo red fox, Vulpes vulpes schrencki, a subspecies of red fox Hokkaido wolf, Canis lupus hattai, also known as the Ezo wolf Patinopecten yessoensis, the Yesso scallop or Ezo giant scallop, a species of scallop Ezo salamander, Hynobius retardatus, a species of salamander Ezo flying squirrel

Other uses Ezo (band), a Japanese heavy metal band 1982–1990 EZO (album)

See also Yeso (disambiguation)