Lahaina Historic District is a National Historic Landmark District encompassing most of the community of Lahaina, Hawaii, on the west side of the island of Maui in the US state of Hawaii. Designated in 1962, the district recognizes Lahaina for its well-preserved character as a 19th-century port, and for its social and economic importance in the 19th century as a major whaling center in the Pacific, and as one of the capital cities of the Kingdom of Hawaii.