Harry Kurnitz (January 5, 1908 – March 18, 1968) was an American playwright, novelist, and prolific screenwriter who wrote swashbucklers for Errol Flynn and comedies for Danny Kaye.

He entered journalism as a book and music reviewer for The Philadelphia Record in 1930.

[1] A mystery story Kurnitz wrote in 1937, Fast Company, about skulduggery in the rare-book business, led him to Hollywood.

Kurnitz wrote more than forty movie scripts, among them Witness for the Prosecution; What Next, Corporal Hargrove?

His first play was Reclining Figure, a 1954 comedy about painters and their patrons and the tricks of the dealers and collectors who prey on them.