Robert Markuš (Serbian Cyrillic: Роберт Маркуш, Hungarian: Róbert Márkus; born October 7, 1983) is a Serbian chess Grandmaster.

He is a member of Novi Sad Chess Club. Markuš played for the Serbian Olympic team in 37th Chess Olympiad.

• Robert Markus rating card at FIDE
• Robert Markus player profile and games at Chessgames.com