| III Summer Universiade III Universíade de Verão | |
| Host City: | Porto Alegre, Brazil |
| Nations: | 27 |
| Athletes: | 713 |
| Events: | 70 in 9 sports |
| Opening: | August 30, 1963 |
| Closing: | September 8, 1963 |
| Opened By: | Paulo de Tarso Santos |
| Athlete Oath: | Antônio Salvador Sucar (basketball) |
| Torch Lighter: | Adhemar Ferreira da Silva (athletics) |
| Stadium: | Estádio Olímpico Monumental |
| Previous: | 1961 Sofia |
The 1963 Summer Universiade, also known as the III Summer Universiade, took place in Porto Alegre, Brazil.