Five ships of the Royal Navy have been named HMS Norfolk, after the Duke of Norfolk or the county of Norfolk. The Norfolk motto is Serviens servo ("serving, I preserve").
HMS Norfolk (1693) was an 80-gun third rate launched in 1693. She was rebuilt in 1728, and renamed HMS Princess Amelia in 1755. She was used for harbour service from 1777 and transferred to the Customs service in 1788.
HMS Norfolk (1757) was a 74-gun third rate launched in 1757 and broken up in 1774.
HMS Norfolk (F230) was a Type 23 or 'Duke'-class frigate launched in 1987. She was paid off in 2004 and sold to Chile, being transferred in 2006 as Almirante Cochrane