USS Fearless may refer to one of the following ships of the United States Navy:
, a tug in commission from 1917 to 1921 , an Accentor-class coastal minesweeper, later reclassified as a dive tender (YDT-5), commissioned in 1942 and sunk as a target in 1973 , an Aggressive-class ocean-going minesweeper in commission from 1954 to 1990