Konstantin Ognjanovic (Serbian Cyrillic: Ko?c?a???? O??a?o???, born May 5, 1973 in Belgrade) is a Serbian former football player.
During his career he played for FK Buducnost Podgorica, Red Star Belgrade, FK Zemun, FK Vojvodina, FK Milicionar Beograd, OFK Beograd, mostly in First League of FR Yugoslavia, and since January 2000, in Germany, with Greuther Fürth, playing in the 2.