List of the oldest buildings in Wyoming

This article lists the oldest extant buildings in Wyoming, including extant buildings and structures constructed prior to and during the United States rule over Wyoming.

Only buildings built prior to 1880 are suitable for inclusion on this list, or the building must be the oldest of its type.

In order to qualify for the list, a structure must: This consciously excludes ruins of limited height, roads and statues.

Bridges may be included if they otherwise fulfill the above criteria.

If the exact year of initial construction is estimated, it will be shown as a range of dates.