Swimming at the 2009 Southeast Asian Games – Men's 4 × 100 metre freestyle relay
# Swimming at the 2009 Southeast Asian Games – Men's 4 × 100 metre freestyle relay

The Men's 4x100 Free Relay swimming event at the 2009 SEA Games was held in December 2009.

## Results

### Final

| Place | Nation | Swimmers | Time | Notes |
| - | - | - | - | - |
| 1 | Singapore | Lim Wen Hao Joshua Lim Yong En Clement Ong Kai Yi Russel Su Shirong Jeffrey | 3:23.22 | GR |
| 2 | Philippines | | 3:24.35 | |
| 3 | Indonesia | | 3:25.34 | |
| 4 | Malaysia | | 3:27.87 | |
| 5 | Thailand | | 3:31.72 | |
| 6 | Cambodia | | 4:12.76 | |
| 7 | Laos | | 4:16.53 | |
