He was noticed by the national team after he returned to Hungary in 2016. Xavi Sabaté, who led the Hungarian national ensemble in 2016 and 2017, invited him to the cohesion in December 2016, which did not turn out well because his ankles went out during the first training session. Ljubomir Vranjes first made it into the adult national team and made his debut against Austria in April 2018 in the team preparing for the World Cup qualifier against Slovenia. He represented Hungary at the 2019 World Men's Handball Championship, 2020 European Men's Handball Championship and 2021 World Championship (5th place, 6 matches / 3 goals).