Eight ships of the Royal Navy have been named HMS Portland, either after Portland Harbour in Dorset or after holders of the title of the Duke of Portland:
- was a 50-gun fourth rate launched at Wapping in 1653 and burnt to avoid capture in 1692.
- was a 48-gun fourth rate launched in 1693, rebuilt in 1723 and broken up in 1743.
- was a 50-gun fourth rate launched in 1744 and sold in 1763.
- was a 50-gun fourth rate launched in 1770. She was converted to a 10-gun storeship in 1800 and a prison ship in 1802. She was sold in 1817.
- was a barge probably used to defend Plymouth. She was purchased in 1795 and was sold on 29 December 1799 for £155.
- was a 52-gun fourth rate launched in 1822. She was to have been named HMS Kingston, but this was changed before launch in 1817. She was sold in 1862.
- HMS Portland was to have been a . She was laid down in 1941 and renamed later that year. The Japanese captured her in 1941 whilst she was under construction; she became the . The Americans sank her in 1945.
- is a Type 23 frigate launched in 1999 and currently in service.
Battle honours
Ships named Portland have earned the following battle honours:
- Scheveningen 1653
- Lowestoft 1665
- Four Days' Battle 1666
- Orfordness 1666
- Coventry 1709
- Auguste 1746
- Ushant 1747
- Magnanime 1748
- Lagos 1759
- Quiberon Bay 1759
See also
- was a 50-gun fourth rate, previously the . She was captured in 1746 by and was sold in 1749.
- was a repair ship launched in 1945 and sold into civilian service in 1951, where she was renamed Zinnia.