RV Atlantis is a Thomas G. Thompson-class oceanographic research ship, owned by the US Navy and operated by the Woods Hole Oceanographic Institution as part of the University-National Oceanographic Laboratory System (UNOLS) fleet. She is the host vessel of DSV Alvin. She is named for the first research vessel operated by WHOI, the sailboat RV Atlantis, for which the Space Shuttle Atlantis is also named.

The Woods Hole Oceanographic Institution is a private, nonprofit research and higher education facility dedicated to the study of marine science and engineering.