An ecozone may refer to:

• Biogeographic realm, the broadest biogeographic division of Earth's land surface (referred to as ecozone by BBC)
• Biome, a large collection of flora and fauna occupying a major habitat
• Bioregion, an ecologically and geographically defined area that is smaller than a biogeographical realm, but larger than an ecoregion
• Ecoregion, an ecologically and geographically defined area that is smaller than a bioregion
• Ecozone (Canada), one of 15 first-level ecological land classifications in Canada

This disambiguation page lists articles associated with the title Ecozone.
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