The third USS Osceola (YT-129), previously USS YT-129, later YTB-129, later YTM-129, was a United States Navy harbor tug commissioned in 1938 and sold for scrapping in 1973.

USS Osceola (YT-129) assisting a battleship at Pearl Harbor, Hawaii
History
United States
Name	USS Osceola
Namesake	Osceola (1804-1838), a noted Seminole chief and leader during the Second Seminole War (1835-1842)
Builder	Charleston Navy Yard
Launched	3 March 1938
Commissioned	1 June 1938
Renamed	USS Osceola 17 September 1938 (previously had been USS YT-129)
Reclassified	Large harbor tug YTB-129 12 April 1944 Medium harbor tug YTM-129 early 1962
Fate	Sold for scrapping 1 February 1973
General characteristics
Type	Harbor tug
Displacement	890 tons
Length	124 ft 9 in (38.02 m)
Beam	28 ft 0 in (8.53 m)
Draft	14 ft 0 in (4.27 m)

Harbor tug USS YT-129 was launched by the Charleston Navy Yard on 3 March 1938 and commissioned on 1 June 1938. She was assigned the name USS Osceola (YT-129) on 17 September 1938.

Osceola reported to the 14th Naval District, headquartered at Pearl Harbor, Hawaii and was stationed at Pearl Harbor throughout World War II. She was reclassified as a large harbor tug (YTB–129) on 12 April 1944 and was damaged during the West Loch Disaster of 21 May 1944.^[1] Her classification changed to medium harbor tug (YTM–129) in early 1962.

Osceola was sold for scrapping by the Defense Reutilization and Marketing Service (DRMS) on 1 February 1973.