The men's 110 metres hurdles event at the 1998 World Junior Championships in Athletics was held in Annecy, France, at Parc des Sports on 31 July, 1 and 2 August. 106.7 cm (3'6) (senior implement) hurdles were used.
| Gold | Staņislavs Olijars | |
| Silver | Sharif Paxton | |
| Bronze | Florian Seibold |
2 August
Wind: -0.2 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | 13.51 | |||||
| align=left | align=left | | 14.10 | ||||
| align=left | align=left | 14.21 | |||||
| 4 | align=left | align=left | 14.33 | ||||
| 5 | align=left | align=left |  | 14.39 | |||
| 6 | align=left | align=left | | 14.40 | |||
| 7 | align=left | align=left |  | 14.47 | |||
| 8 | align=left | align=left | 14.89 |
1 August
Wind: 0.0 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 14.12 | Q | ||
| 2 | align=left | align=left | 14.26 | Q | |||
| 3 | align=left | align=left | | 14.36 | Q | ||
| 4 | align=left | align=left | 14.45 | Q | |||
| 5 | align=left | align=left | 14.49 | ||||
| 6 | align=left | align=left |  | 14.52 | |||
| 7 | align=left | align=left |  | 14.81 | |||
| 8 | align=left | align=left |  | 15.02 |
Wind: -1.6 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 13.81 | Q | |||
| 2 | align=left | align=left | | 14.24 | Q | ||
| 3 | align=left | align=left | | 14.24 | Q | ||
| 4 | align=left | align=left | 14.40 | Q | |||
| 5 | align=left | align=left |  | 14.49 | |||
| 6 | align=left | align=left | | 14.55 | |||
| 7 | align=left | align=left | 14.69 | ||||
| 8 | align=left | align=left |  | 14.77 |
31 July
Wind: -0.8 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 14.30 | Q | ||
| 2 | align=left | align=left | | 14.48 | Q | ||
| 3 | align=left | align=left | | 14.53 | Q | ||
| 4 | align=left | align=left | | 14.62 | |||
| 5 | align=left | align=left | 14.73 | ||||
| 6 | align=left | align=left |  | 14.74 | |||
| 7 | align=left | align=left | | 14.77 |
Wind: -1.2 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 13.65 | Q | |||
| 2 | align=left | align=left | | 14.13 | Q | ||
| 3 | align=left | align=left | | 14.15 | Q | ||
| 4 | align=left | align=left | 14.56 | q | |||
| 5 | align=left | align=left | | 14.63 | |||
| 6 | align=left | align=left | | 14.64 | |||
| 7 | align=left | align=left |  | 15.11 |
Wind: -0.3 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 14.36 | Q | ||
| 2 | align=left | align=left | 14.42 | Q | |||
| 3 | align=left | align=left | | 14.43 | Q | ||
| 4 | align=left | align=left | 14.44 | q | |||
| 5 | align=left | align=left |  | 14.65 | |||
| 6 | align=left | align=left |  | 14.65 | |||
| 7 | align=left | align=left |  | 14.75 | |||
| 8 | align=left | align=left | 15.31 |
Wind: +0.2 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 14.01 | Q | ||
| 2 | align=left | align=left | | 14.09 | Q | ||
| 3 | align=left | align=left | 14.25 | Q | |||
| 4 | align=left | align=left | | 14.45 | q | ||
| 5 | align=left | align=left | 14.46 | q | |||
| 6 | align=left | align=left | | 14.63 | |||
| 7 | align=left | align=left | 15.78 |
According to an unofficial count, 29 athletes from 19 countries participated in the event.