St. Elmo Historic District
St. Elmo Historic District 

may refer to:
 Saint Elmo Historic District, Colorado, a National Register Historic District that comprises Saint Elmo, Colorado.
 St. Elmo Historic District (Chattanooga, Tennessee), listed on the NRHP in Tennessee, and the neighborhood St. Elmo, home of an incline railway

See also
St. Elmo (disambiguation)