Stefan Lončar (born 19 February 1996) is a Montenegrin professional footballer who plays as a defensive midfielder for Russian club Akron Tolyatti.
In September 2016, he joined Serbian team FK Rad on the last day of the summer transfer window.
[6] Upon signing, he was immediately sent on a one-season loan to Croatian club Istra 1961, whose ownership was bought by Alavés in the summer of 2018.
[8] On 31 July 2023, he scored two goals against Mezőkövesdi SE on the first match day of the 2023–24 Nemzeti Bajnokság I season.
[10] On 28 May 2018, Lončar made his international debut for Montenegro in an exhibition match Bosnia and Herzegovina which ended in a 0–0 tie.