HMS Trial or Tryall is the name of several vessels of the Royal Navy or its predecessors:

• English ship Tryall (1645), a pink listed as in naval service from 1645 to 1647
• HMS Tryall (1710), a 10-gun sloop launched in 1713 and broken up in 1719
• HMS Tryall (1719), a 10-gun sloop launched in 1719 and broken up in 1731
• HMS Tryall (1732), an 8-gun sloop launched in 1732 and scuttled in the South Pacific in 1741
• HMS Trial (1744), a 14-gun sloop launched in 1744 and broken up in 1776
• HMS Trial (1781), a 12-gun cutter in service from 1781 to 1794
• HMS Trial (1790), a 12-gun cutter launched 1790 and converted to a coal hulk in 1816; sold out of service in 1848
• HMS Trial (1805), a 6-gun vessel listed as in Navy service from 1805 to 1811

• Colledge, J. J.; Warlow, Ben (2010) [1969]. Ships of the Royal Navy: The Complete Record of All Fighting Ships of the Royal Navy (4th Rev ed.). Newbury, Berkshire: Casemate. ISBN 978-1-935149-07-1. OCLC 603386630.
• Winfield, Rif (2007). British Warships of the Age of Sail 1714–1792: Design, Construction, Careers and Fates. Seaforth. ISBN 9781844157006.

List of ships with the same or similar names

This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.