Cranston, Rhode Island, city in Providence County, Rhode Island, USA

Alan Cranston (1914–2000), American politician from California

Bryan Cranston (1956–), American actor

Ken Cranston (1917–), former English cricketer

Cranston, Calgary, neighburhood in Calgary, Alberta, Canada

Toller Cranston (1949–), Canadian figure skater and artist

Edwin Cranston, Professor of Japanese at Harvard University

Ross Cranston (1948–), British lawyer and politician, member of Parliament for Dudley

Maurice Cranston (1920–1993), British philosopher and political scientist

Cranston or Cranstoun is a Scottish surname originating in a clan that lived around Roxburgh in the Scottish Borders. It is a minor clan but has its own tartan and clan brooch.

Catherine Cranston (1849–1934), also known as Kate Cranston or Miss Cranston, tea room proprietor and patron of Charles Rennie Mackintosh and Margaret MacDonald in Glasgow, Scotland.

Earl Cranston (1840 – 1932), Bishop of the Methodist Episcopal Church

John Cranston, Colonial Governor of Rhode Island

Billy Cranston, a geek from the Power Rangers universe.

"Lamont Cranston" was an alter ego of The Shadow.