Capulin is a census-designated place and unincorporated community in Union County, New Mexico, United States. As of the 2020 census, Capulin had a population of 61. Capulin had a post office until August 13, 2011; it still has its own ZIP code, 88414. U.S. routes 64 and 87 pass through the community.
It was known as Dedman from 1909 to 1922, after railroad superintendent E.J. Dedman.
Capulin Volcano National Monument is located north of Capulin. The town was named after the volcano by Hispanic settlers after the Civil War.