Esterbrook is a village, and the locus of a same-named census-designated place (CDP), in Converse County, Wyoming, United States in the Medicine Bow National Forest.

According to the United States Census Bureau, the CDP has a total area of 3.4 square miles (8.8 km2), all land.

18.8% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older.

In 1946 the Esterbrook Community Church (one of 29 mission churches in the Episcopal Missionary District of Wyoming) was built with a window behind the altar having a view to Laramie Peak.

Public education in the community of Esterbrook is provided by Converse County School District #1.