Williamsburg is a village in Sierra County, New Mexico, United States.

The village, though small, is located adjacent to Truth or Consequences, and has essentially become a suburb.

Though the town is experiencing moderate growth now, especially along I-25, in the near future there is a high possibility of its becoming a booming bedroom community for lakesiders from Elephant Butte.

According to the United States Census Bureau, the village has a total area of 0.5 square mile (1.2 km2), all land.

35.2% of all households were made up of individuals, and 20.1% had someone living alone who was 65 years of age or older.