Kostantin "Kosta" Alković (Serbian Cyrillic: Коста Алковић; Zemun, Austrian Empire, 14 September 1834 – Belgrade, Kingdom of Serbia, 2 May 1909[1]) was a physicist, professor of physics and mechanics from 1863 to 1892 at the Belgrade College,[2] state advisor and minister of construction. He was also a member of the Serbian Academy of Arts and Sciences[3]