| 13th Special Olympics World Summer Games Παγκόσμιοι Θερινοί Αγώνες 13ου Ειδικού Ολυμπιακού | |
| Host City: | Athens, Greece |
| Motto: | Join the wonderful winning world (Greek, Modern (1453-);: Ενωθείτε με τον υπέροχο κόσμο των νικητών) |
| Nations: | 185 |
| Athletes: | 7,000 |
| Events: | 21 |
| Opening: | 25 June 2011 |
| Closing: | 4 July 2011 |
| Opened By: | Karolos Papoulias |
| Stadium: | Panathenaic Stadium |
| Spreviouss: | 2007 Shanghai |
| Snexts: | 2015 Los Angeles |
| Sprevious: | 2009 Idaho |
The 2011 Special Olympics World Summer Games (Greek, Modern (1453-);: Ειδικοί παγκόσμιοι καλοκαιρινοί αγώνες Ολυμπιακών Αγώνων 2011|link=no,), was a sporting event in Athens, Greece. The opening ceremony of the games took place on 25 June 2011 at the Panathenaic Stadium and the closing ceremony was held on 4 July 2011.
Over 7,500 athletes, from 185 countries, competed in a total of 22 sports.[1]
This is a list of countries participating in the 2011 Special Olympics World Summer Games (Greek, Modern (1453-);: [[:el:Παγκόσμιοι Καλοκαιρινοί Αγώνες Αθήνα 2011|Pankósmioi Therinoí Agónes Athína 2011]]):