| XI Summer Universiade XI Universiada de vară | |
| Size: | 200 |
| Host City: | Bucharest, Romania |
| Nations: | 86 |
| Athletes: | 2,912 |
| Events: | 124 in 10 sports |
| Opening: | July 19, 1981 |
| Closing: | July 30, 1981 |
| Opened By: | Nicolae Ceauşescu |
| Torch Lighter: | Nadia Comăneci |
| Stadium: | Lia Manoliu Stadium |
| Previous: | 1979 Mexico |
The 1981 Summer Universiade, also known as the XI Summer Universiade, took place in Bucharest, Romania. The events were watched by 200,000 spectators.