Juraj Nikolac (born 22 April 1932) is a Croatian, formerly Yugoslav chess grandmaster.
Nikolac was born in Metkovic, and is a retired physics teacher.
He was awarded the International Master title in 1975, and the Grandmaster title in 1979.
He finished 3= behind Aleksandar Matanovic in the 1978 Yugoslav championship.
His international tournament successes include:
4th, Zagreb, 1973
2=, Zagreb - Rovinj, 1975
2=, Wijk aan Zee B, 1976
1=, Amsterdam B, 1977
1st, Vrnjacka Banja, 1978
2nd, Dortmund, 1979
2nd, Oberwart, 1985
1st, Bled, 1986
1=, Linz, 1986
1st, Maribor, 1987He is the author of a number of theoretical studies.