The men's long jump event at the 1992 World Junior Championships in Athletics was held in Seoul, Korea, at Olympic Stadium on 16 and 17 September.
| Gold | Neil Chance | |
| Silver | Robert Thomas | |
| Bronze | Ivaylo Mladenov |
17 September
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 7.56 (w: -1.1 m/s) | 7.15 (w: +0.1 m/s) | 7.77 (w: -0.5 m/s) | x | 7.89 (w: +0.2 m/s) | x | 7.89 (w: +0.2 m/s) | ||||
| align=left | align=left | | x | 7.54 (w: +0.7 m/s) | 7.80 (w: +0.3 m/s) | x | 7.84 (w: +0.4 m/s) | x | 7.84 (w: +0.4 m/s) | ||||
| align=left | align=left | 7.68 (w: -0.2 m/s) | x | x | 7.65 (w: 0.0 m/s) | x | 7.61 (w: +0.4 m/s) | 7.68 (w: -0.2 m/s) | |||||
| 4 | align=left | align=left |  | 7.40 (w: -1.0 m/s) | 7.62 (w: +0.5 m/s) | 7.57 (w: +0.7 m/s) | 7.68 (w: -0.6 m/s) | x | 7.53 (w: -1.9 m/s) | 7.68 (w: -0.6 m/s) | |||
| 5 | align=left | align=left | 7.50 (w: -0.8 m/s) | 7.36 (w: 0.0 m/s) | x | x | 7.58 (w: +1.0 m/s) | x | 7.58 (w: +1.0 m/s) | ||||
| 6 | align=left | align=left |  | x | 7.52 (w: +0.1 m/s) | x | x | 7.44 (w: -0.6 m/s) | x | 7.52 (w: +0.1 m/s) | |||
| 7 | align=left | align=left |  | x | x | 7.49 (w: -0.2 m/s) | x | x | x | 7.49 (w: -0.2 m/s) | |||
| 8 | align=left | align=left |  | 7.36 (w: +1.3 m/s) | 7.43 (w: -0.8 m/s) | 5.24 (w: 0.0 m/s) | 7.29 (w: -1.8 m/s) | x | x | 7.43 (w: -0.8 m/s) | |||
| 9 | align=left | align=left |  | 7.41 (w: +1.1 m/s) | 7.20 (w: -1.2 m/s) | 7.24 (w: +0.4 m/s) | 7.41 (w: +1.1 m/s) | ||||||
| 10 | align=left | align=left | | 7.36 (w: +0.2 m/s) | 7.30 (w: +0.2 m/s) | 7.25 (w: +0.4 m/s) | 7.36 (w: +0.2 m/s) | ||||||
| 11 | align=left | align=left |  | 7.05 (w: -0.1 m/s) | 6.98 (w: -0.2 m/s) | 7.03 (w: +0.2 m/s) | 7.05 (w: -0.1 m/s) | ||||||
| align=left | align=left |  | x | x | x | NM | |||||||
16 Sep
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 7.44 (w: +0.2 m/s) | 7.54 (w: 0.0 m/s) | 7.75 (w: -0.8 m/s) | 7.75 (w: -0.8 m/s) | Q | ||
| 2 | align=left | align=left | | 7.48 (w: +0.2 m/s) | 5.40 (w: +0.7 m/s) | 7.51 (w: +0.3 m/s) | 7.51 (w: +0.3 m/s) | q | ||
| 3 | align=left | align=left | | x | 7.24 (w: +0.9 m/s) | 7.49 (w: -0.9 m/s) | 7.49 (w: -0.9 m/s) | q | ||
| 4 | align=left | align=left | | 7.36 (w: -0.5 m/s) | 7.48 (w: 0.0 m/s) | 7.42 (w: 0.0 m/s) | 7.48 (w: 0.0 m/s) | q | ||
| 5 | align=left | align=left | | 7.34 (w: +0.8 m/s) | x | 7.45 (w: +0.2 m/s) | 7.45 (w: +0.2 m/s) | q | ||
| 6 | align=left | align=left |  | 7.34 (w: -1.8 m/s) | x | 7.32 (w: -0.5 m/s) | 7.34 (w: -1.8 m/s) | |||
| 7 | align=left | align=left | x | 7.24 (w: -1.1 m/s) | 7.31 (w: -0.3 m/s) | 7.31 (w: -0.3 m/s) | ||||
| 8 | align=left | align=left | 7.00 (w: +1.0 m/s) | 7.25 (w: +0.3 m/s) | 7.30 (w: -0.6 m/s) | 7.30 (w: -0.6 m/s) | ||||
| 9 | align=left | align=left |  | x | 7.30 (w: +0.9 m/s) | 6.99 (w: -0.4 m/s) | 7.30 (w: +0.9 m/s) | |||
| 10 | align=left | align=left | 7.28 (w: +0.7 m/s) | 7.22 (w: -1.0 m/s) | 7.24 (w: -0.6 m/s) | 7.28 (w: +0.7 m/s) | ||||
| 11 | align=left | align=left |  | 7.06 (w: -0.4 m/s) | 7.17 (w: -1.1 m/s) | 7.11 (w: -0.4 m/s) | 7.17 (w: -1.1 m/s) | |||
| 12 | align=left | align=left |  | 7.13 (w: -0.3 m/s) | x | x | 7.13 (w: -0.3 m/s) | |||
| 13 | align=left | align=left |  | 7.02 (w: +1.1 m/s) | x | x | 7.02 (w: +1.1 m/s) | |||
| 14 | align=left | align=left | 6.84 (w: +0.1 m/s) | 6.87 (w: +0.7 m/s) | 6.93 (w: 0.0 m/s) | 6.93 (w: 0.0 m/s) | ||||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 7.98 (w: +0.9 m/s) | - | - | 7.98 (w: +0.9 m/s) | Q | ||
| 2 | align=left | align=left | 7.49 (w: -0.3 m/s) | 7.48 (w: +1.1 m/s) | 7.75 (w: +0.1 m/s) | 7.75 (w: +0.1 m/s) | Q | |||
| 3 | align=left | align=left | | x | 7.74 (w: 0.0 m/s) | - | 7.74 (w: 0.0 m/s) | Q | ||
| 4 | align=left | align=left | | 7.65 (w: -0.6 m/s) | - | - | 7.65 (w: -0.6 m/s) | Q | ||
| 5 | align=left | align=left | 7.46 (w: +0.6 m/s) | 7.49 (w: +0.7 m/s) | 7.31 (w: +0.4 m/s) | 7.49 (w: +0.7 m/s) | q | |||
| 6 | align=left | align=left | | 7.47 (w: +0.9 m/s) | x | x | 7.47 (w: +0.9 m/s) | q | ||
| 7 | align=left | align=left | | x | x | 7.43 (w: +0.1 m/s) | 7.43 (w: +0.1 m/s) | q | ||
| 8 | align=left | align=left | | 7.39 (w: 0.0 m/s) | 7.41 (w: +0.6 m/s) | x | 7.41 (w: +0.6 m/s) | |||
| 9 | align=left | align=left | | 7.40 (w: 0.0 m/s) | x | x | 7.40 (w: 0.0 m/s) | |||
| 10 | align=left | align=left | | 7.37 (w: +0.7 m/s) | 7.37 (w: -0.1 m/s) | x | 7.37 (w: +0.7 m/s) | |||
| 11 | align=left | align=left | 7.28 (w: +0.2 m/s) | - | - | 7.28 (w: +0.2 m/s) | ||||
| 12 | align=left | align=left | 7.13 (w: +0.7 m/s) | x | x | 7.13 (w: +0.7 m/s) | ||||
| 13 | align=left | align=left | 6.83 (w: +0.3 m/s) | 7.06 (w: -0.6 m/s) | 7.03 (w: +0.7 m/s) | 7.06 (w: -0.6 m/s) | ||||
| 14 | align=left | align=left | | x | 6.99 (w: -0.3 m/s) | 6.86 (w: +1.2 m/s) | 6.99 (w: -0.3 m/s) | |||
| 15 | align=left | align=left |  | 6.64 (w: -1.2 m/s) | 3.60 (w: +1.1 m/s) | x | 6.64 (w: -1.2 m/s) | |||
According to an unofficial count, 29 athletes from 22 countries participated in the event.