List of National Historic Landmarks in Louisiana

This is a complete list of National Historic Landmarks in Louisiana,.

The United States National Historic Landmark program is a program of the National Park Service, and recognizes structures, districts, objects, and similar resources according to a list of criteria of national significance.

The state of Louisiana is home to 53 of these landmarks, spanning a range of history from early to modern times. The most recently designated is the St. Charles Streetcar Line, designated during August 2014. Three listings have had their designations withdrawn.

The sternwheeler steamboat Delta Queen has been relocated to Chattanooga and is now listed as an NHL of Tennessee.

National Historic Landmarks

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National Park Service areas in Louisiana
National Historic Sites and other National Park Service areas in Louisiana are:
 * Cane River Creole National Historical Park
 * Chalmette National Cemetery
 * El Camino Real de los Tejas National Historic Trail
 * Jean Lafitte National Historical Park and Preserve
 * New Orleans Jazz National Historical Park
 * Poverty Point National Monument
 * Vicksburg National Military Park (also in Mississippi)

Poverty Point National Monument is listed as a National Park Service area although title for the site has not been transferred from Louisiana to the federal government. Otherwise, excepting the El Camino Real de los Tejas trail, these are federally owned sites and enjoy greater protection than most National Historic Landmarks.