Edna Buchanan
- Writer

Edna Buchanan was born on 16 March 1938 in Patterson, New Jersey, USA. She is a writer, known for The Corpse Had a Familiar Face (1994), Deadline for Murder: From the Files of Edna Buchanan (1995) and Nobody Lives Forever (1998). She has been married to Thomas M. Smith since 4 May 2010. She was previously married to James C. Buchanan and Emmett R. Miller.