William Balck (19 October 1858 in Osnabrück – 15 July 1924 in Aurich) was a Prussian officer and military officer who reached the rank of generalleutnant during World War I. He was the son of British Lieutenant Colonel Georg and his wife Charlotte, née Lütgen, daughter of Major General Conrad Friedrich Lütgen (1790–1854) and his wife Dorothee Charlotte Lackemann.
Iron Cross (1914) 2nd and 1st ClassWound Badge (1918) in BlackOrder of the Crown 2nd Class with Star and Swords (1917)Pour le Mérite (9 March 1918)Order of the Red Eagle 2nd Class with Star, Oak Leaves and Swords (18 August 1918)Kriegsspiel und Übungsritt als Vorschule für die Truppenführung, (War Games and Exercise Rides as Preschool for the Leading of Combined Arms Formations) (Berlin: Eisenschmitt, 1913)Die englische Armee im Felde, (The English Army in the Field), (Berlin : Bath, 1913)Nachtgefechte und Nachtübungen, (Night Engagements and Night Exercises), (Berlin : Eisenschmidt, 1910)Kleiner Krieg, (Small Wars), (Berlin-Charlottenburg : Verlag Offene Worte, 1923)Entwickelung der Taktik im Weltkriege, (Development of Tactics in the World War), first edition (Berlin : Eisenschmidt, 1920)Entwickelung der Taktik im Weltkriege, (Development of Tactics in the World War), expanded edition (Berlin : R. Eisenschmidt, 1922) 
