The Pakistan National Shipping Corporation (PNSC) is a Pakistani national flag carrier and one of Government of Pakistan's most profitable state-owned entities. The Corporation is principally engaged in the business of shipping, including charter of vessels, transportation of cargo and providing commercial, technical, administrative, financial and other services to its subsidiaries and third parties.

The Chairman of PNSC is appointed by the federal government and is usually a three-star naval officer (or of equivalent rank from other services). The current Chairman PNSC is Pakistan Administrative Service officer Shakeel Ahmed Mangnejo. Former PNSC chairmen include PAS officer Rizwan Ahmed, Admiral Tauqir Hussain Naqvi, Admiral Yastur-ul-Haq Malik, Admiral Saeed Mohammad Khan and Admiral Mansurul Haq.

PNSC, headquartered in Karachi, is under the administrative control of the Federal Ministry of Maritime Affairs. A regional office based in Lahore caters to upcountry shipping requirements. The corporation also has an extensive overseas network of agents looking after its worldwide shipping business. The Pakistan Merchant Navy is the fleet of state-owned merchant vessels flying the flag of Pakistan National Shipping Corporation.