Relja Popović (Serbian Cyrillic: Реља Поповић; born 2 August 1989) is a Serbian actor, rapper and singer. Before pursuing a solo career with the single "Beograd još živi" (2015), he rose to prominence as the member of the hip hop duo Elitni Odredi, alongside Vlada Matović. He is the co-founder of the record label Made In BLKN Records.

As an actor, he is recognized for his performances in the movies Ordinary People (2009) and The Parade (2011). Popović became the youngest winner of the Heart of Sarajevo award for his role in Ordinary People. In 2021, he joined the cast of the television series Besa.