These are the official results of the Men's Long Jump event at the 1983 IAAF World Championships in Helsinki, Finland. There were a total of 34 participating athletes, with two qualifying groups and the final held on 10 August 1983.
| Gold |  Carl LewisUnited States (USA) | |
| Silver | Jason Grimes United States (USA) | |
| Bronze | Mike Conley United States (USA) |
| Qualification Round | ||
|---|---|---|
| Group A | Group B | |
| 09.08.1983 - ??:??h | 09.08.1983 - ??:??h | |
| Final Round | ||
| 10.08.1983 - ??:??h | ||
| Q | automatic qualification | |
| q | qualification by rank | |
| DNS | did not start | |
| NM | no mark | |
| WR | world record | |
| AR | area record | |
| NR | national record | |
| PB | personal best | |
| SB | season best |
| Standing records prior to the 1983 World Athletics Championships | |||||
|---|---|---|---|---|---|
| 8.90 m | October 18, 1968 | ||||
| New event | |||||
| Rank | Overall | Athlete | Attempts | Distance | Note | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||
| 1 | 2 | 8.29 | - | - | 8.29 m | |||
| 2 | 3 | X | 8.12 | - | 8.12 m | |||
| 3 | 5 | 7.32 | X | 8.05 | 8.05 m | |||
| 4 | 6 | 7.82 | 7.88 | 8.01 | 8.01 m | |||
| 5 | 8 | 7.96 | - | - | 7.96 m | |||
| 6 | 11 | 7.88 | 7.89 | 7.90 | 7.90 m | |||
| 7 | 12 | 7.88 | 7.88 | 7.64 | 7.88 m | |||
| 8 | 13 | 7.44 | 7.51 | 7.88 | 7.88 m | |||
| 9 | 15 | 7.81 | 7.78 | 7.41 | 7.81 m | |||
| 10 | 17 | X | X | 7.75 | 7.75 m | |||
| 11 | 18 | 7.42 | 7.70 | 7.40 | 7.70 m | |||
| 12 | 19 | X | 7.70 | X | 7.70 m | |||
| 13 | 26 | X | X | 7.31 | 7.31 m | |||
| 14 | 27 | 7.15 | 6.91 | 6.82 | 7.15 m | |||
| - | - | DNS | ||||||
| - | - | DNS | ||||||
| - | - | DNS | ||||||
| Rank | Overall | Athlete | Attempts | Distance | Note | ||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | |||||
| 1 | 1 | 8.37 | - | - | 8.37 m | ||
| 2 | 4 | 8.11 | - | - | 8.11 m | ||
| 3 | 7 | 7.97 | - | - | 7.97 m | ||
| 4 | 9 | 7.92 | - | - | 7.92 m | ||
| 5 | 10 | 7.90 | - | - | 7.90 m | ||
| 6 | 14 | 6.95 | X | 7.87 | 7.87 m | ||
| 7 | 16 | X | X | 7.77 | 7.77 m | ||
| 8 | 20 | 6.44 | 7.69 | X | 7.69 m | ||
| 9 | 21 | X | 7.68 | X | 7.68 m | ||
| 10 | 22 | 7.56 | 7.54 | X | 7.56 m | ||
| 11 | 23 | 7.29 | 7.42 | 7.52 | 7.52 m | ||
| 12 | 24 | 5.78 | 7.51 | 6.96 | 7.51 m | ||
| 13 | 25 | 7.38 | X | 7.21 | 7.38 m | ||
| 14 | 28 | X | 7.06 | 7.12 | 7.12 m | ||
| 15 | 29 | X | 6.76 | 6.54 | 6.76 m | ||
| 16 | 30 | X | 6.20 | 5.80 | 6.20 m | ||
| - | - | X | X | X | NM | ||
| Rank | Athlete | Attempts | Distance | Note | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |||||
| 8.55 | - | 8.42 | - | - | - | 8.55 m | CR | |||
| 8.29 | X | 8.23 | 8.29 | X | 8.17 | 8.29 m | ||||
| X | 8.06 | X | 8.12 | 8.12 | X | 8.12 m | ||||
| 4 | X | 7.93 | X | 8.09 | 8.08 | 8.12 | 8.12 m | |||
| 5 | 7.80 | 5.54 | 7.94 | 5.99 | 7.76 | 8.09 | 8.09 m | |||
| 6 | 7.86 | 7.93 | 8.06 | X | 7.94 | 7.96 | 8.06 m | |||
| 7 | 7.94 | 7.79 | 7.92 | 7.91 | 8.06 | X | 8.06 m | |||
| 8 | 7.89 | X | 7.89 | 7.85 | 7.89 | 7.74 | 7.89 m | |||
| 9 | 7.81 | 7.88 | 7.70 | 7.88 m | ||||||
| 10 | 7.64 | 7.84 | 7.80 | 7.84 m | ||||||
| 11 | 7.74 | X | 7.59 | 7.74 m | ||||||
| 12 | 7.52 | 7.69 | 7.54 | 7.69 m | ||||||
| 13 | 7.57 | 6.89 | 7.09 | 7.57 m | ||||||