HMS TB 81

Two torpedo boats of the British Royal Navy were named HMS TB 81.

• HMS TB 81 (1882) - a second-class torpedo boat of the TB 76-class, which was built by John I. Thornycroft & Company and launched on 5 October 1882. Sold 1902.^[1]
• HMS TB 81 (1885) - a first-class torpedo boat built as a private venture by J. Samuel White with the name Swift, purchased by Royal Navy in 1885 and renamed TB 81.^[2] Sold for scrap 1921.^[3]

• Chesneau, Roger; Kolesnik, Eugene M., eds. (1979). Conway's All the World's Fighting Ships 1860–1905. London: Conway Maritime Press. ISBN 0-85177-133-5.
• Lyon, David; Winfield, Rif (2004). The Sail & Steam Navy List: All the Ships of the Royal Navy 1815–1889. London: Chatham Publishing. ISBN 1-86176-032-9.