Hi! Like last year, I decided to make a blog with all the information we know about the 2026 OIs.

Note that text in italics is unofficial.

Like last time, please share the info you know (websites, locations, dates etc.) in the comments. Thanks in advance to everyone who contributes!

International

IOI 2026 🇺🇿

Location: Tashkent, Uzbekistan
Dates: August 9-16, 2026
Official site: https://ioi2026.uz/

IIOT 2026 🇷🇴

Location: Neamț, Romania
Dates: May 23-28, 2026
Schedule: https://iio.team/schedule/

IATI 2026 🇧🇬

Location: Burgas, Bulgaria
Dates: April 15-19, 2026

Junior

InfO(1)Cup 2026 🌐

Location: Online
Dates: February 6-15, 2026
Official site: https://info1cup.com/

Europe

EGOI 2026 🇮🇹

Location: Cesenatico, Italy
Dates: May 12-18 2026
Official site: https://egoi2026.it/
EGOI stats: https://stats.egoi.org/editions/2026/

Baltic OI 2026 🇫🇮

Location: Espoo, Finland
Dates: April 15–19, 2026
Official site: https://boi2026.cses.fi/

WEOI 2026 🇱🇺

Location: Luxembourg (Hybrid)
Dates: June 26–28, 2026
Official site: https://weoi.org/weoi-2026/

Balkan OI 2026 🇲🇪

Location: Podgorica, Montenegro

CEOI 2026 🇸🇮

Location: Slovenia

Junior

EJOI 2026 🇱🇹🇺🇦

Location: Kaunas, Lithuania (Co-organized by Ukraine and Lithuania)
Dates: July 24-30 2026
Official site: https://www.ejoi2026.lmio.lt/

JBOI 2026 🇧🇦

Location: Sarajevo, Bosnia and Herzegovina
Dates: September 21-27 2026

Asia & Pacific

APIO 2026 🌐🇹🇼

Location: Online (Organized by Taiwan)
Dates: May 9-10, 2026
Official site: https://www.apio2026.ntnu.tw/home

Africa

NAOI 2026 🌐🇱🇾

Location: Online (Organized by Libya)
Dates: April 18, 2026
Official site: https://naoi2026.ly/