Dyer is a census-designated place located in Fish Lake Valley, Esmeralda County, Nevada, United States. It had a population of 232 as of the 2020 census.
Dyer is located on State Route 264, near Nevada's border with California. It is south of U.S. Route 6 and north of Oasis, California.
The post office at Dyer has been in operation since 1889. The community took its name from nearby Dyer's Ranch.
Residents are zoned to the Esmeralda County School District for grades K-8.
High school students in the entire county go to Tonopah High School of Nye County School District.
The county is in the service area of Great Basin College.
The Köppen Climate System classifies the weather in this area as semi-arid, abbreviated BSk. This climate type occurs primarily on the periphery of true deserts in low-latitude semiarid steppe regions.