RV Endeavor is a research vessel owned by the National Science Foundation and operated by the University of Rhode Island (URI) under a Charter Party Agreement as part of the University-National Oceanographic Laboratory System (UNOLS) fleet.

The vessel is homeported at the Narragansett, Rhode Island at the URI Bay Campus.

[2] The 185-foot (56 m) Endeavor, built by Peterson Builders, Inc., Sturgeon Bay, Wisconsin,[3] replaced RV Trident in 1976.

[4] She likely was named for Captain James Cook's ship HMS Endeavour, for which the Space Shuttle Endeavour is also named.

This oceanography article is a stub.