| William Balck | |
| Birth Date: | 19 October 1858 |
| Birth Place: | Osnabrück, Kingdom of Hanover |
| Death Place: | Aurich, Province of Hanover, Free State of Prussia, Weimar Republic |
| Serviceyears: | 1876–1919 |
| Rank: | Generalleutnant |
| Battles: | World War I |
| Commands: | 13th Landwehr Division 51. Reserve-Division |
| Awards: | Pour le Mérite |
| Relations: | Hermann Balck (son) |
Konrad Friedrich August Henry William Balck (October 19, 1858 in Osnabrück July 15, 1924 in Aurich) was a Prussian officer and military officer who reached the rank of during World War I.
He was the son of British Lieutenant Colonel George Philipp Balck[1] and his wife Charlotte née Lütgen, daughter of Major General Conrad Friedrich Lütgen (1790–1854) and his wife Dorothee Charlotte Lackemann.
His 1903 six-volume work Taktik (Tactics) was translated into English by Walter Krueger and published in the United States in two volumes, Introduction and Formal Tactics of Infantry in 1911 and Cavalry, Field and Heavy Artillery in Field Warfare in 1914. This translation attracted the attention of Major General Leonard Wood, the Chief of Staff of the United States Army, and was widely read, and acclaimed, by American Army officers. He was appointed as Chief Inspector of Telegraphy/Signals Troops on 9 May 1914.[2]
At the first year of the World War I, he continued his role as chief inspector of telegraphy/signals troops. Later, he commanded the 13th Landwehr Division (August 1915 – September 1916) and 51st Reserve Division (September 1916 – March 1918).