2026 OIs: Everything we know so far
Difference between en11 and en12, changed 56 character(s)
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/↵
↵
### CEOI 2026 🇸🇮↵
↵
**Location:** Ljubljana, Slovenia  ↵
**Dates:** July 5-7, 2026  ↵
**Official site:** https://ceoi2026.acm.si/↵
↵
### Balkan OI 2026 🇲🇪↵
↵
**Location:** *Podgorica, MontenegroTirana, Albania*  ↵
**Dates:** *September 14-20, 2026*↵
↵
## 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/

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en18 English mariza_CY 2026-07-16 10:32:30 48
en17 English mariza_CY 2026-07-11 14:54:38 40 Tiny change: '20, 2026\n\n## Jun' -> '20, 2026\n**Official site:** https://boi2026.al/\n\n## Jun'
en16 English mariza_CY 2026-07-08 14:49:03 10
en15 English mariza_CY 2026-06-23 11:34:51 4
en14 English mariza_CY 2026-05-28 17:24:16 151
en13 English mariza_CY 2026-05-19 17:26:18 8 Tiny change: '026 🇲🇪\n\n**Loc' -> '026 🇦🇱\n\n**Loc'
en12 English mariza_CY 2026-05-08 15:01:17 56
en11 English mariza_CY 2026-04-30 19:28:42 157 Tiny change: 'cation:** Slovenia ' -> 'cation:** Ljubljana, Slovenia '
en10 English mariza_CY 2026-03-21 08:05:43 37 Tiny change: 'egovina*\n\n---\n' -> 'egovina*\n**Dates:** *September 21-27 2026*\n\n---\n'
en9 English mariza_CY 2026-02-17 18:06:20 112 Tiny change: ';🇹 \n\n**Loca' -> ';🇹🇺🇦\n\n**Loca'
en8 English mariza_CY 2026-02-12 17:48:09 181
en7 English mariza_CY 2026-01-27 21:01:00 178 Tiny change: ' 🌐-🇹&' -> ' 🌐🇹&'
en6 English mariza_CY 2026-01-22 09:21:06 65 Reverted to en4
en5 English mariza_CY 2026-01-09 15:44:42 65
en4 English mariza_CY 2026-01-09 14:44:47 302 Tiny change: ' 🌐 🇹&' -> ' 🌐🇹&'
en3 English mariza_CY 2026-01-03 09:24:04 162 Tiny change: 'ation:** *Lithuania*' -> 'ation:** * Kaunas, Lithuania*'
en2 English mariza_CY 2025-12-30 18:04:42 157 Tiny change: '5–19, 2026\n**Offici' -> '5–19, 2026 \n**Offici'
en1 English mariza_CY 2025-12-30 16:17:29 1194 Initial revision (published)