North Sea Ferries was a ferry company which was jointly owned by P&O and Nedlloyd.

[1] It operated from 1965 until 1996, when it was merged into P&O Operations (P&O North Sea Ferries),[2] it had routes from Hull to Rotterdam (Europort) and Zeebrugge.

P&O North Sea Ferries was then merged with P&O Ferries in 2003.

[3] In 1987, the Princess Margaret Ferry Terminal was built under the operation of North Sea Ferries.

The building is now under the ownership of Associated British Ports and is operated by P&O Ferries.