T
- "T.R." – USS Theodore Roosevelt
- "Tea Boat" – HMS Ceylon
- "Tea Chest" – HMS Thetis
- "Teacup" – USS Tecumseh
- "Tico" – USS Ticonderoga
- "Tiddly Quid" – HMS Royal Sovereign. Both quid and sovereign are synonymous to pound sterling.
- "Tin Duck" – HMS Iron Duke
- "Three-Quarter Mile Island" - USS Enterprise (CVN-65)
- "The Toothless Terror" – HMS Scylla
- "Toasted O" - USS Oriskany
- "Traffie" – HMS Trafalgar
- "Trawler Mauler" - HMCS Nipigon - stems from an incident in the late 1980s when Nipigon sank a civilian fishing trawler for being a hazard to shipping
- "Tullibeast" – USS Tullibee
- "The Tartan Terror" - HMAS Stuart
- "Tottenham" - HMS Hotspur. After football team Tottenham Hotspur.
- "Tupperware" - HMS Wilton. First warship to be constructed from Glass-reinforced plastic.
- "Tuska class" - Finnish navy Tuima class missile boats. Tuska means "agony" in Finnish.
Read more about this topic: List Of Warships By Nickname