The men's long jump event at the 2011 Military World Games was held on 20 and 22 July at the Estádio Olímpico João Havelange.
Prior to this competition, the existing world and CISM record were as follows:
| World Record | 8.95 | Tokyo, Japan | 30 August 1991 | ||
| CISM World Record | 8.24 | 1993 |
| Date | Time | Round | |
|---|---|---|---|
| 20 July 2011 | 10:00 | Qualification | |
| 22 July 2011 | 16:20 | Final |
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Yu Zhenwei | Zhang Xiaoyi | Víctor Castillo |
| Rank | Athlete | Nationality |
|
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| Mark | Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.86 (-0.1 m/s) | 8.05 (+1.3 m/s) | 8.02 (+0.2 m/s) | 8.05 (+1.3 m/s) | ||||||||
| 7.68 (-1.2 m/s) | 7.63 (-0.2 m/s) | 7.90 (+0.6 m/s) | 7.76 (+1.3 m/s) | 7.90 (+0.6 m/s) | |||||||
| 7.37 (-0.2 m/s) | 7.39 (-0.1 m/s) | 7.55 (+1.7 m/s) | 7.45 (-0.2 m/s) | 7.81 (+1.3 m/s) | 7.81 (+1.3 m/s) | ||||||
| 7.63 (-0.5 m/s) | 7.48 (+0.9 m/s) | 7.49 (-0.1 m/s) | 7.76 (+1.2 m/s) | 7.76 (+1.2 m/s) | |||||||
| 7.66 (+0.8 m/s) | 7.72 (0.0 m/s) | 4.64 (+0.4 m/s) | 7.72 (0.0 m/s) | ||||||||
| 7.66 (+0.2 m/s) | 7.70 (-0.2 m/s) | 7.70 (-0.2 m/s) | |||||||||
| 7.56 (+0.5 m/s) | 7.46 (-0.6 m/s) | 7.57 (-0.9 m/s) | 7.52 (+1.3 m/s) | 7.57 (-0.9 m/s) | |||||||
| 7.37 (+1.2 m/s) | 7.50 (-0.7 m/s) | 7.42 (-0.4 m/s) | 7.34 (-0.6 m/s) | 7.57 (+1.0 m/s) | 7.57 (+1.0 m/s) | ||||||
| 7.43 (+1.2 m/s) | 7.44 (+0.8 m/s) | 7.37 (-0.6 m/s) | 7.44 (+0.8 m/s) | ||||||||
| 10 | 7.35 (+1.8 m/s) | 7.11 (-0.3 m/s) | 7.35 (+1.8 m/s) | ||||||||
| 11 | 7.21 (+0.3 m/s) | 7.28 (+0.1 m/s) | 7.28 (+0.1 m/s) | ||||||||
| 12 | 7.27 (+0.5 m/s) | 7.13 (-0.7 m/s) | 7.27 (+0.5 m/s) |