Count Franz Deym (23 August 1838 at Neuschloss (now Dolní Olešnice) – 3 September 1903 at Eckersdorf, Glatz (now Bożków, Kłodzko)) was an Austrian diplomat.

His full title was Franz de Paula Severin Wenzel Maria Philipp Benitius Graf Deym von Střítež.

Deym was the son of a Field Marshal, and was a First Lieutenant in the Lancers.

He was first Attaché then Legationssekretär (Secretary) in Paris, before being sent to the Embassy in Rome.

In 1871 he became the Special Ambassador and Acting Minister for the armed services, and then retired from public life.