The Karachi Port Trust Building, also referred to as the KPT Building, is a large colonial-era building in Karachi, Pakistan that serves as headquarters for the Karachi Port Trust, which administers the Port of Karachi. The building dates from the height of the British Raj, and was inaugurated on 5 January 1916.

The Karachi Port Trust (KPT) (Urdu: ادارہِ تولیتِ بندرگاہ کراچی) is a Pakistani federal government agency, under the administrative control of the Federal Maritime Secretary that oversees the operations of the Port of Karachi, one of South Asia's largest and busiest deep-water seaports which handles over 90% of the nation's foreign trade. The agency is headquartered at the colonial-era Karachi Port Trust Building.