Amazonian

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