At least three ships of the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early medieval period, the first major maritime engagements were foug ...

have been named HMS ''Spy'': * was a ''Bonetta''-class sloop launched at Rotherhithe in 1756. * was launched at Topsham in 1800 as the mercantile vessel ''Comet''. The Royal Navy purchased and renamed her in 1804. * was a brigantine launched at Sheerness in 1841.

See also