Chimayo is a census-designated place (CDP) in Rio Arriba and Santa Fe counties in the U.S. state of New Mexico. The name is derived from a Tewa name for a local landmark, the hill of Tsi Mayoh. The town is unincorporated and includes many neighborhoods, called plazas or placitas, each with its own name, including El Potrero de Chimayó and the Plaza del Cerro. The cluster of plazas called Chimayo lies near Santa Cruz, approximately 25 miles north of Santa Fe. The population was 3,177 at the 2010 census.

Rio Arriba County is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 40,363. Its county seat is Tierra Amarilla. Its northern border is the Colorado state line.