Ojo Amarillo (Navajo: Tó Łitsooí) is a census-designated place (CDP) in San Juan County, New Mexico, United States.

According to the United States Census Bureau, the CDP has a total area of 1.9 square miles (4.9 km2), all land.

There were 193 housing units at an average density of 101.2 per square mile (39.1/km2).

4.6% of all households were made up of individuals, and 0.6% had someone living alone who was 65 years of age or older.

Central Consolidated Schools serves Ojo Amarillo as well as other communities in western San Juan County.