List of National Historic Landmarks in Connecticut

Download coordinates as: This article describes National Historic Landmarks in the United States state of Connecticut.

These include the most highly recognized historic sites in Connecticut that are officially designated and/or funded and operated by the U.S. Federal Government.

There are no UNESCO-designated World Heritage Sites in Connecticut.

There are many additional historic sites in Connecticut that are federally recognized by listing on the National Register of Historic Places, but only those NRHP-listed sites meeting particularly higher standards are further designated as National Historic Landmarks.