P&O is a British shipping and logistics company. It may also refer to:

• • P&O Cruises, a British cruise line that was originally part of P&O, now owned by Carnival Corporation & plc
  • P&O Cruises Australia, an Australian cruise line that was originally part of P&O, now owned by Carnival Corporation & plc
  • P&O Ferries, a ferry line that was originally part of P&O, now owned by DP World
    • P&O Irish Sea, a former company, now merged into P&O Ferries
    • P&O Portsmouth, a former company, now merged into P&O Ferries
    • P&O Stena Line, a former company, now merged into P&O Ferries
  • P&O Nedlloyd, a former shipping company that was also originally part of P&O

• P&O Bank, a bank that the P&O Company founded in 1920 and sold in 1927.

• Pickling (metal) and oiling raw steel.
• Phosphate conversion coating and oiling aluminium, zinc, cadmium, silver, or tin.

This disambiguation page lists articles associated with the title P&O.
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