The men's 110 metres hurdles event at the 1992 World Junior Championships in Athletics was held in Seoul, Korea, at Olympic Stadium on 17 and 18 September. 106.7 cm (3'6) (senior implement) hurdles were used.
| Gold | Yevgeniy Pechonkin | |
| Silver | Sven Göhler | |
| Bronze | Igor Pintusevich-Babichev |
18 September
Wind: +1.6 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | 13.87 | |||||
| align=left | align=left | 13.98 | |||||
| align=left | align=left | 14.08 | |||||
| 4 | align=left | align=left | 14.11 | ||||
| 5 | align=left | align=left |  | 14.28 | |||
| 6 | align=left | align=left | 14.35 | ||||
| 7 | align=left | align=left |  | 14.43 | |||
| 8 | align=left | align=left |  | 14.58 |
17 September
Wind: +0.1 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 14.12 | Q | |||
| 2 | align=left | align=left | 14.21 | Q | |||
| 3 | align=left | align=left | 14.39 | Q | |||
| 4 | align=left | align=left | | 14.42 | Q | ||
| 5 | align=left | align=left |  | 14.43 | |||
| 6 | align=left | align=left |  | 14.62 | |||
| 7 | align=left | align=left |  | 14.98 | |||
| align=left | align=left |  | DNF |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 14.14 | Q | |||
| 2 | align=left | align=left | 14.25 | Q | |||
| 3 | align=left | align=left | | 14.33 | Q | ||
| 4 | align=left | align=left | | 14.62 | Q | ||
| 5 | align=left | align=left | 14.68 | ||||
| 6 | align=left | align=left |  | 14.84 | |||
| align=left | align=left |  | DNF | ||||
| align=left | align=left |  | DNF |
17 September
Wind: +1.1 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 14.34 | Q | |||
| 2 | align=left | align=left | | 14.35 | Q | ||
| 3 | align=left | align=left | | 14.58 | Q | ||
| 4 | align=left | align=left | 14.79 | ||||
| align=left | align=left |  | DNF |
Wind: +0.8 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 14.19 | Q | |||
| 2 | align=left | align=left | | 14.32 | Q | ||
| 3 | align=left | align=left | | 14.39 | Q | ||
| 4 | align=left | align=left | 14.40 | q | |||
| 5 | align=left | align=left | | 14.56 | q | ||
| 6 | align=left | align=left | | 15.20 |
Wind: +0.5 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 14.44 | Q | |||
| 2 | align=left | align=left | | 14.56 | Q | ||
| 3 | align=left | align=left | | 14.61 | Q | ||
| 4 | align=left | align=left | | 14.73 | q | ||
| 5 | align=left | align=left |  | 14.76 | |||
| 6 | align=left | align=left | | 15.48 |
Wind: +0.3 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 14.29 | Q | |||
| 2 | align=left | align=left | 14.38 | Q | |||
| 3 | align=left | align=left | | 14.64 | Q | ||
| 4 | align=left | align=left | | 14.65 | q | ||
| 5 | align=left | align=left |  | 14.80 | |||
| 6 | align=left | align=left |  | 15.29 | |||
| align=left | align=left | | DNF |
According to an unofficial count, 24 athletes from 20 countries participated in the event.