a former British Royal Navy minesweeper converted into a research vessel for the oceanographic researcher Jacques Cousteau, equipped with a mobile laboratory for underwater field research.

RV Petrel, or R/V Petrel, is a research vessel sailing under the UK flag and owned by the United States Navy and once owned by Microsoft co-founder Paul Allen.

A recreational vehicle park (RV park) or caravan park is a place where people with recreational vehicles can stay overnight, or longer, in allotted spaces known as "sites" or "campsites".

The Research Vessel Triton is a trimaran vessel owned by Gardline Marine Sciences Limited and a former prototype British warship demonstrator for the UK's Defence Evaluation and Research Agency (later QinetiQ).

(meaning pole star) a German research icebreaker of the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, Germany.

a long-range, ice class ship.

a Norwegian icebreaking polar research vessel owned by the Norwegian Polar Institute.

RV 144, or the Thai trial, was an HIV vaccine clinical trial that was conducted in Thailand between 2003 and 2006.

an American manufacturer of recreation vehicles sold under the CampLite and QuickSilver brands.