Stiff Upper Lip, Jeeves is a novel by P. G. Wodehouse, published in the United States on 22 March 1963 by Simon & Schuster, Inc., New York, and in the United Kingdom on 16 August 1963 by Herbert Jenkins, London. It is the ninth of eleven novels featuring Bertie Wooster and his valet Jeeves.

Bertram Wilberforce Wooster is a fictional character in the comedic Jeeves stories created by British author P. G. Wodehouse. An amiable English gentleman and one of the "idle rich", Bertie appears alongside his valet, Jeeves, whose intelligence manages to save Bertie or one of his friends from numerous awkward situations. Bertie Wooster and Jeeves have been described as "one of the great comic double-acts of all time".