Wilhelm Ludwig Gustav, Graf von Wartensleben (1734–1798) was a prominent military officer who served the Habsburg Monarchy during the late 18th century. He rose to the rank of Feldzeugmeister (general of the artillery/infantry) within the Imperial-Royal Army.
Born into an aristocratic family originally from the Low Countries and Westphalia, Wartensleben entered military service at a young age. Although his family had ties to Prussia, he spent the majority of his career in the service of the Austrian Empire. He participated in the Seven Years' War and the War of the Bavarian Succession, steadily advancing through the officer ranks.
Wartensleben is best known for his senior command during the French Revolutionary Wars, particularly the Rhine campaign of 1796. During this conflict, he commanded the Austrian Army of the Lower Rhine against the French forces led by General Jean-Baptiste Jourdan. Initially forced into a strategic retreat across Germany, Wartensleben successfully maintained the cohesion of his forces. This maneuver eventually allowed him to coordinate with the main Austrian army under Archduke Charles. Their combined forces defeated the French at the Battle of Amberg and the Battle of Würzburg, effectively ending the French threat to Southern Germany in that year.
Following the 1796 campaign, his active field career concluded. He died in 1798. Wartensleben is characterized in historical records as a competent, though often cautious, practitioner of 18th-century linear warfare and maneuver strategy.