Railway companies of Hawaii

List of railway companies in the American state of Hawai'i.

Currect railways

 * Big Island Railroad (BIRR), freight and passenger; standard gauge, island of Hawai'i
 * Honolulu Rail Transit (HART), passenger; standard gauge, island of O'ahu
 * Kahului Railroad (KHRR), freight and passenger; 3' gauge, island of Maui
 * O'ahu Railway (ORY), freight and passenger; 3' gauge, island of O'ahu

Defunct railways
Years shown here refer to the period in which a given company operated in Hawai'i; they may have existed elsewhere before or after these years.