Miodrag "Sija" Nikolić (Serbian Cyrillic: Миодрaг "Сија" Николић; 22 August 1938 – 17 February 2005[1]) was a Serbian professional basketball player and coach.

Nikolić played for OKK Beograd, during their so-called, "Golden Era", in the late 1950s, and the first half of the 1960s, in the Yugoslav First League.

OKK Beograd's head coaches during that time were Borislav Stanković and Aleksandar Nikolić, and the club's Sports Director was Radomir Šaper.

[2] After recovering from the injury, Nikolić went to Turkey,[2] where he played for Altınordu Izmir and ITU Istanbul, in the Turkish Super League.

He played at one FIBA World Cup (1963 in Brazil),[4] and at four EuroBaskets (1957 in Bulgaria, 1959 in Turkey, 1961 in Yugoslavia, and 1963 in Poland).