Jason Matthew Rayner (born 14 September 1966), professionally known as Jay, is an English journalist. He writes primarily about food and has done so for The Guardian, The Mail on Sunday, and The Observer.
Rayner has written four novels, and seven books of nonfiction. He plays piano in jazz ensemble The Jay Rayner Quartet.
His mother, Claire Rayner, was a well known agony aunt. He is married to Pat Gordon-Smith, and has two children.