Victor Joseph Altmayer (1844–1908) was a French general of German descent.
He was made a knight of the Légion d'honneur on 7 February 1871, an officer of the order on 5 June 1892.
He was promoted to brigadier general and put in command of the 48th Infantry Brigade and the subdivisions of the Angoulême and Magnac-Laval regions on 18 May 1895.
He held those posts until 14 August 1900, when he was made commander of 33rd Infantry Division and the sub-divisions of the Agen, Marmande, Cahors and Montauban regions.
He was made a divisional general on 8 March 1901 and a commander of the Légion d'honneur on 30 December 1902.