Hermann Freiherr von Spaun (9 May 1833 – 28 May 1919) was an admiral in the Austro-Hungarian Navy. He was the Commander-in-Chief of the Austro-Hungarian Navy from December 1897 to October 1904.
Von Spaun was born in 1833 in Vienna the capital of the Austrian Empire as the son of Joseph von Spaun and Franziska Roner Edle von Ehrenwert. He married Emma Lobmeyr on 28 April 1893 in Trieste.
The cruiser SMS Admiral Spaun was named in his honour.
- A. Schmidt-Brentano: " ". In: Österreichisches Biographisches Lexikon 1815–1950 (ÖBL). Vol. 13, Austrian Academy of Sciences, Vienna 1957–2005, p. 6 f. (Direct links to " ", " ")