Doncho Kolev Danev (Bulgarian: ????? ????? ?????) (27 December 1892 – 26 March 1940), better known by the ring name Dan Kolov (Bulgarian: ??? ?????), was a Bulgarian wrestler and mixed martial artist born in Sennik, Bulgaria who was the first European freestyle wrestling champion from Bulgaria.
He also won the European gold in 1936 in the championship in Paris, which was the second distinction for Bulgaria after the world title of Nikola Petrov (Greco-Roman wrestling) from 1900.