- HMS Thetis was a 22-gun storeship launched in 1717. Her fate is unknown.
- HMS Thetis was a 44-gun fifth rate launched in 1747. She became a hospital ship in 1757 and was sold in 1767.
- HMS Thetis was a 32-gun fifth rate launched in 1773 and wrecked entering the Careenage at St. Lucia Bay in 1781.
- HMS Thetis was a 38-gun fifth rate launched in 1782 and sold in 1814.
- HMS Thetis was an 8-gun schooner purchased in 1796 and listed until 1800.
- HMS Thetis was a 24-gun sixth rate that the Royal Navy captured from the Dutch at Demerara in 1796 and later scuttled there. She was a Dutch 7th Charter frigate built at Amsterdam and launched in 1785. Her dimensions, in Dutch feet of 11 Rotterdam inches, were: 125' 7/11" x 34' x 13' 2/11".
- HMS Thetis was a 10-gun gun-brig launched in 1810 and on the lists until at least 1836.
- HMS Thetis was a 46-gun fifth rate launched in 1817 and wrecked off Arraial do Cabo (near Cape Frio) in 1830.
- HMS Thetis was a 36-gun fifth rate launched in 1846 and transferred to Prussia in 1855 in exchange for two gunboats.
- HMS Thetis was a Briton-class wooden screw corvette launched in 1871 and sold in 1887.
- HMS Thetis was an Apollo-class second class protected cruiser launched in 1890. She was used as a minelayer from 1907 and was sunk in 1918 as a blockship at Zeebrugge.
- HMS Thetis was a T-class submarine launched in 1938. She sank during trials but was salvaged and recommissioned as HMS Thunderbolt. The Italian corvette Cicogna sank Thunderbolt in 1943.
Citations and references
- Hepper (1994), p.62-3.
- van Maanen.
- Hepper (1994), p.161.
- Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
- Hepper, David J. (1994). British Warship Losses in the Age of Sail, 1650-1859. Rotherfield: Jean Boudriot. ISBN 0-948864-30-3.
- van Maanen, Ron, Preliminary list of Dutch naval vessel built or required in the period 1700-1799. Unpublished manuscript.
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