| Noc: | SMR |
| Nocname: | Comitato Olimpico Nazionale Sammarinese |
| Games: | Summer Olympics |
| Year: | 1968 |
| Website: | |
| Location: | Mexico City |
| Competitors: | 4 |
| Sports: | 2 |
| Flagbearer: | Leo Franciosi[1] |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
San Marino competed at the 1968 Summer Olympics in Mexico City, Mexico. They fielded four competitors, all men.[2]
See main article: Cycling at the 1968 Summer Olympics. Two cyclists represented San Marino in 1968.
See main article: Shooting at the 1968 Summer Olympics. Two shooters represented San Marino in 1968.