USS Sioux may refer to:
- USS Sioux (YT-19), an iron-hulled tugboat built as P. H. Wise at Philadelphia in 1892
- USS Sioux (ID-1766), a cargo ship built in 1916 by the American Shipbuilding Co., Cleveland, Ohio
- USS Sioux (AT-75), a Navajo-class fleet tug in service from World War II through the Vietnam War
- USNS Sioux (T-ATF-171), a Powhatan-class fleet ocean tug placed in service in 1981
See also
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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.