Joseph Maria von Colloredo-Mels und Wallsee (11 September 1735 – 26 November 1818) served in the army of Habsburg Austria during the French Revolutionary Wars. He was distinguished in action during the Seven Years' War. He commanded the artillery at the 1789 Siege of Belgrade and was promoted Field Marshal for his services. He led a major reform of the Austrian army's artillery and became a member of the Hofkriegsrat. In 1769, he became Proprietor (Inhaber) of an Austrian infantry regiment and held the position until his death.