Wenzel Joseph von Colloredo-Mels und Wallsee (15 October 1738 – 4 September 1822) served in the army of Habsburg Austria from the middle to the end of the 18th century. For the subsequent two decades, he continued to serve the Austrian military in non-combat roles. During the Seven Years' War, he fought at Prague, Maxen, Torgau, and other actions. He held field commands in the Austro-Turkish War. During the War of the First Coalition he led troops at Neerwinden, Raismes, Famars, Caesar's Camp, and Maubeuge. In 1784, he became Proprietor (Inhaber) of an Austrian infantry regiment and held the position until his death. He was promoted Field Marshal in 1808.