Diane Samuels is a British author and playwright. Her works include Kindertransport, winning the Verity Bargate and Meyer-Whitworth Awards (Soho Theatre); Toilet Of Venus (Arcola Theatre); Cinderella's Daughter (Trestle Theatre); Calais (Everyman Theatre); Chalk Circle, How to Be a Giant, and Frankie’s Monster, an adaptation of Vivien Alcock's The Monster Garden (Unicorn Theatre); The True Life Fiction of Mata Hari (Watford Place Theatre); Three Sisters on Hope Street, co-written with Tracy-Ann Oberman (Hampstead Theatres); One Hundred Million FootSteps (Quicksilver Theatre); Watch Out for Mr Stork (Finborough Theatre); Turncoat (Theatre Centre); and Bonekeeper (Tricycle Youth Theatre). 

With singer-songwriter Gwyneth Herbert, Samuels wrote the musical, The A-Z of Mrs P, which tells the story of Phyllis Pearsall's creation of the London A to Z street atlas (Southwark Playhouse).

Samuels was a Pearson Creative Research Fellow at the British Library and is a reviewer of books for The Guardian newspaper.