Newcomb (Navajo: Bis Deezáhí) is a census-designated place (CDP) in San Juan County, New Mexico, United States. The population was 387 at the 2000 census. It is part of the Farmington Metropolitan Statistical Area.
Newcomb is located at 36°17′1″N 108°42′25″W / 36.28361°N 108.70694°W / 36.28361; -108.70694 (36.283646, -108.706807).
According to the United States Census Bureau, the CDP has a total area of 5.9 square miles (15.4 km²), all of it land.