| Karl Joseph Hadik von Futak | |
| Birth Date: | 28 October 1756 |
| Birth Place: | Lőcse, Kingdom of Hungary |
| Death Place: | Alessandria, Italy |
| Allegiance: | Habsburg monarchy |
| Branch: | Cavalry |
| Serviceyears: | 1766-1800 |
| Rank: | Feldmarschallleutnant |
| Battles: | War of the Bavarian Succession Austro-Turkish War (1788–1791) French Revolutionary Wars |
| Awards: | Military Order of Maria Theresa (Commander's Cross) |
| Relations: | Son of András Hadik |
Karl Joseph Graf Hadik von Futak (28 October 1756 in Lőcse - 24 July 1800 in Alessandria) was a Hungarian cavalry soldier and commander serving in the Austrian Imperial Army during the War of the Bavarian Succession, Austro-Turkish War (1787–1791), and French Revolutionary Wars. He was mortally wounded at Marengo, where he commanded the center column.