Jackie Robinson, athlete

Jim Ross, Professional wrestling commentator

Junius Richard Jayewardene, First Executive President of Sri Lanka

Jeremy Roenick, professional ice hockey player

Jim Rome, a controversial radio host

East Japan Railway Company or JR East

Jordan Rudess, the keyboardist of Dream Theater

J. R. Rotem, hip-hop and pop music producer.

West Japan Railway Company or JR West

Japan Railways Group or its member companies

The novel J R, written by William Gaddis

Aero California, International Air Transport Association code

Central Japan Railway Company or JR Central

Johnny Rebel (singer), Southern country singer

J. R. Writer, an American hip hop musician.

Hokkaido Railway Company or JR Hokkaido

Shikoku Railway Company or JR Shikoku

Japan Freight Railway Company or JR Freight

Kyushu Railway Company or JR Kyushu

John Radcliffe Hospital, Oxford

Johnny Rebel, slang term for soldiers of the Confederated States of America

Japan Remote Control, radio control equipment manufacturer

John Ross "J.R." Ewing, Jr., a television character from Dallas

Who shot J.R.?, a famous cliffhanger episode of Dallas

J.R., CMR singer and half of production duo So Hot Productions.

J.R. Redmond, a former NFL player for the New England Patriots.

J.R. Richard, a former baseball player for the Houston Astros.