| Nations participating | 13 |
|---|---|
| Athletes participating | 1,057 |
| Events | 93 in 17 sports |
| Opening ceremony | 21 September |
| Closing ceremony | 29 September |
| Officially opened by | Antonio Segni |
| Main venue | Stadio San Paolo |
The fourth edition of the Mediterranean Games were held in Naples, Italy from September 21 to September 29, 1963. Thirteen nations competed in 18 sports.
The following is a list of nations that participated in the 1963 Mediterranean Games: