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- Thomas Raikes (1777–1848), dandy, friend of Beau Brummell, the Duke of Wellington and Talleyrand, died in Brighton soon after buying a house there
- Peggy Ramsay (1908–1991), theatrical agent, lived in Kensington Place, Brighton. Blue plaque at the property.
- Robert Rankin, author
- Terence Rattigan, playwright, author of The Browning Version and The Winslow Boy lived at Bedford House, 79 Marine Parade. Blue plaque at the property.
- Tom Raworth, poet, lives in Brighton
- Rita Ray, once singer with the Darts, latterly radio presenter and DJ
- Amanda Redman, actress, born in Brighton in 1957
- Matt Redman, Christian musician, lives in Brighton
- Siân Rees, English historian of the 17th and 18th centuries, lives in Brighton
- Terence Reese, from London, a national and international award winning player of and highly regarded writer on contract bridge; a writer on other games; died at the age of 83 of aspirin poisoning on January 29, 1996 at his residence at 23 Adelaide Crescent; an inquest ruled his death accidental.
- Phillip Reeve, novelist; grew up in Brighton
- Louise Rennison, writer (author of Angus, Thongs and Full-Frontal Snogging) and comedienne, went to Brighton University, and now lives in Brighton
- Dakota Blue Richards, actress, is attending Brighton College sixth form
- Laurence Rickard, actor, writer, notable for his role in the Horrible Histories television series, was born and still lives in Brighton
- Rizzle Kicks, hip-hop duo
- Paul Roberts, frontman/singer with pop band the stranglers — session singer and actor
- Simon Roberts, photographer, lives in Brighton
- Frederick William Robertson, Anglican divine
- George Robey, (1869–1954), music hall comedian, lived in Arundel Drive, Saltdean until his death
- Dame Flora Robson, actress, 1960 until her death in 1984, famous as Elizabeth I
- Dame Anita Roddick, founder of The Body Shop, opened first shop in Kensington Gardens, Brighton in 1976; a blue commemorative plaque marks the building.
- John Roman Baker, poet, playwright and novelist, spent his childhood and much of his adult life in Brighton.
- Martin Rossiter, singer with the band Gene, lives in Brighton
- Arnold Ruge, German philosopher and political writer, lived in exile in Brighton from 1850 until his death in 1880
- Dr. Richard Russell (1687–1759), encouraged the submersion and drinking of seawater. Buried in the churchyard of St Nicholas' Church, Brighton.
- Gilbert Ryle, philosopher
- John Alfred Ryle, professor of medicine at Cambridge and Oxford. Physician to George V. Brother of Gilbert Ryle.
- Martin Ryle, winner of 1974 Nobel Prize in Physics
Read more about this topic: List Of People From Brighton And Hove