The following list of Carnegie libraries in Wyoming provides detailed information on United States Carnegie libraries in Wyoming, where 16 libraries were built from 16 grants (totaling $257,500) awarded by the Carnegie Corporation of New York from 1899 to 1917. As of 2021, 10 of these buildings are still standing, and 5 still operate as libraries.
Key.
 ;templatestyles src="Legend/styles.css" / ;  Building still operating as a library
 ;templatestyles src="Legend/styles.css" / ;  Building standing, but now serving another purpose
 ;templatestyles src="Legend/styles.css" / ;  Building no longer standing
 ;templatestyles src="Legend/styles.css" / ;  Building listed on the National Register of Historic Places
 ;templatestyles src="Legend/styles.css" / ;  Building contributes to a historic district on the
National Register of Historic Places
Notes.
 ;templatestyles src="Reflist/styles.css" / ;