| Country: | Croatia |
| Birth Date: | 21 September 1965 |
| Birth Place: | Zagreb, Yugoslavia |
| Grandmaster (1997) | |
| Peakrating: | 2593 (July 2008) |
| Fideid: | 14500310 |
Robert Zelčić is a Croatian chess grandmaster.
In December 2012 at the Zadar Open, Zelčić was one of a few grandmasters who were defeated by Borislav Ivanov, who was later found to have been cheating.[1]
In July 2020, Zelčić finished as runner up in the Croatian Chess Championship, alongside Zdenko Kožul, Hrvoje Stević and Ante Brkić.[2]
In November 2023, Zelčić participated in the Tournament of Peace in Zagreb.[3] He was the lowest-rated player in the field, but managed to hold draws against higher-rated players such as Ante Brkić and Anton Korobov.[4]