Several ships of the Royal Navy have been named HMS Thais:
- HMS Thais (1806), an 18-gun sloop, sold in 1818
- HMS Thais (1829), a 10-gun Cherokee-class brig-sloop, that became a Post Office Packet Service packet, sailing out of Falmouth, Cornwall. She foundered with the loss of all hands in 1833.
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.