 Horizon Air Summer Series | |
| Sport | Baseball |
|---|---|
| Founded | 2005 |
| Ceased | 2013 |
| No. of teams | 15 |
| Country |  United States |
| Last champion(s) | Seattle Studs |
| Official website | Official Website |
The Horizon Air Summer Series was a unique 11-week baseball competition among collegiate summer baseball clubs.