Nikola Radmanovac (Serbian Cyrillic: Никола Радмановац; born 30 January 1997) is a Serbian professional footballer who plays as a centre-back for Chinese club Qingdao Hainiu.

Previously, he signed a two-year scholarship contract with club in summer 2015.

[6] In summer 2016, Radmanovac was loaned to Serbian League East side Prva Petoletka for a one-year dual registration,[7] which was terminated after 6 months.

[3] In summer 2017, Radmanovac signed a two-year professional contract with Napredak,[9] after which he moved on loan deal to Bežanija.

[12][13] On 16 June 2022, Radmanovac signed with Russian Football National League side Baltika Kaliningrad for the term of 3 years with an option for fourth year.