R class or Class R may refer to:

Rail transport LCDR R class, a British steam locomotive class NER Class R, a British steam locomotive class NZR R class, a type of New Zealand steam locomotive Rhymney Railway R class, class of tank locomotive South Australian Railways R class, a steam locomotive class Tasmanian Government Railways R class, a steam locomotive class Victorian Railways R class, Australian steam locomotive WAGR R class Australian steam locomotive WAGR R class (diesel), Australian diesel locomotive R-class Melbourne tram R-class Sydney tram R1-class Sydney tram

Ships Surface vessels R-class cruise ship, a cruise ship design R-class destroyer (1916), a series of World War I Royal Navy destroyers Q and R-class destroyer, Royal Navy ships launched during World War II R-class patrol boat, Finnish patrol boats Revenge-class battleship, of the Royal Navy Pierre Radisson-class icebreaker, of the Canadian Coast Guard; also called "R class"

Submarines British R-class submarine, a Royal Navy World War I submarine Italian R-class submarine, a large World War II Italian submarine Rainbow-class submarine, a Royal Navy World War II submarine United States R-class submarine, a type of US Navy submarine

Other uses Mercedes-Benz R-Class, an automobile

See also

Model R (disambiguation) Type R (disambiguation) R (disambiguation)