Amazonian may refer to:

• Amazonian (Mars), a geologic system and time period on the planet Mars
• Amazon River, in South America
  • Amazon basin, that river's drainage basin
  • Amazon rainforest, rainforest covering most of the Amazon Basin
• Relating to the Amazons, female warrior tribe in Greek mythology
• Amazonian, an employee of the company Amazon.com
• Amazonian, a fictional species in the Futurama episode "Amazon Women in the Mood"
• Amazonians, people who live in the Amazon basin
  • Indigenous peoples in Brazil

• Amazon (disambiguation)
• All pages with titles containing Amazonian