USS Blue Jay may refer to one of the following United States Navy ships:
, the former fishing vessel Charles J. Ashley; acquired by the Navy as a coastal minesweeper and renamed, 1940; converted to diving tender as YTD-6, 1943; reverted to original owner in 1946. , the former LCI(L)-654; converted to Coastal Minesweeper (Underwater Locator), 1954; never commissioned under Blue Jay name; sold, 1960.
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