Konstantin "Kosta" Nađ (Hun. Nagy Kosztá, Petrovaradin May 13, 1911 – Belgrade November 19, 1986) was an Army general in the Yugoslav National Liberation Army (YNLA), founded after the invasion of Yugoslavia in World War II.
Nađ was born in Petrovaradin, in the Kingdom of Croatia-Slavonia of the Austro-Hungarian Empire. He fought as a volunteer in the Spanish Civil War, and also played a prominent part in the Yugoslav People's Liberation War. His 3rd Army advanced through Yugoslavia and into Austria before the war ended.
Nađ was president of the Yugoslav Partisans' veteran association from 1974 to 1981. He died in Belgrade.
- General Officer Commanding I Bosnian Corps - 1942 to 1943
- General Officer Commanding III Corps - 1943 to 1944
- General Officer Commanding 1st Army - 1945
- General Officer Commanding 3rd Army - 1945