Olga Hadžić (25 August 1946 – 23 January 2019) was a Serbian mathematician known for her work on fixed-point theorems.
[2] She attended both the Jovan Jovanović Zmaj Gymnasium and a music school in Novi Sad.
[1][2] Her doctoral dissertation, Neki problemi diferencijalnog računa u lokalno konveksnim prostorima [Some problems of differential calculus in locally convex spaces], was supervised by Bogoljub Stanković.
[1][3] Later in life, she took up the study of tourism management and marketing, earning a master's degree in 2005 from the University of Novi Sad and a second doctorate in 2006, supervised by Jovan Romelić.
[1] She was the founding editor-in-chief of the mathematics journal Univerzitet u Novom Sadu, Zbornik Radova Prirodno-Matematičkog Fakulteta, Serija za Matemati [University of Novi Sad, Review of Research, Faculty of Science, Mathematics Series], which later became the Novi Sad Journal of Mathematics, from 1971 to 1995.