The Balkan Olympiad in Informatics (BOI) is an annual Informatics Olympiad for the countries of the Balkan Peninsula: Albania, Bosnia and Herzegovina, Bulgaria, Cyprus, Greece, North Macedonia, Moldova, Montenegro, Romania, Serbia, Slovenia, and Turkey.

Ukraine sometimes participates in this Olympiad as a guest country.

To qualify to the Olympiad, you need to participate in the Ukrainian Olympiad in Informatics.