milan kalabić (; 1886 – 3 october 1942) was a serbian military officer who fought in the balkan wars and the first world war and was involved with the chetniks during the second world war. he collaborated, from 1941 until 1942, with the collaborationist government of milan nedić as an officer in the serbian state guard and the county prefect of požarevac. he also aided the chetniks, which would result in his execution by the gestapo in october 1942. he was the father of chetnik commander nikola kalabić.