The Rajah's Diamond is a cycle of four short stories by Robert Louis Stevenson. First published in 1878 in a serial magazine they were republished in the first volume of New Arabian Nights. The stories are:
- "Story of the Bandbox"
- "Story of the Young Man in Holy Orders"
- "Story of the House with the Green Blinds"
- "The Adventure of Prince Florizel and a Detective"
Dramafilms released a movie entitled The Tame Cat (1921), based on these stories, directed by Willard King Bradley and starring Marion Harding and Ray Irwin.
In 1979 BBC Wales broadcast an operatic adaptation of The Rajah's Diamond by Alun Hoddinott, starring Geraint Evans and featuring the BBC National Orchestra of Wales.
- 1878, UK, London Magazine, Pub date June–October 1878, Periodical
- 1991, USA, Carroll & Graf ISBN 0-88184-741-0, Pub date September 1991, Hardback