The Alvord chub Gila alvordensis is a rare cyprinid fish endemic to the Alvord basin in southeastern Oregon and northwestern Nevada, USA, known only from a few springs, streams, and marshes in the Sheldon National Wildlife Refuge, and one location elsewhere.
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It comprises two wildlife refuges, the Hart Mountain National Antelope Refuge in Oregon and the Sheldon National Wildlife Refuge in Nevada, that are managed as a single unit from an office in Lakeview, Oregon.