The men's shot put event at the 1998 World Junior Championships in Athletics was held in Annecy, France, at Parc des Sports on 31 July and 1 August. A 7257g (Senior implement) shot was used.
| Gold | Mikuláš Konopka | |
| Silver | Janus Robberts | |
| Bronze | Carl Myerscough |
1 August
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 18.50 | 17.95 | 17.72 | 18.39 | x | x | 18.50 | ||||
| align=left | align=left | 16.83 | 16.50 | x | x | 18.12 | 18.15 | 18.15 | |||||
| align=left | align=left | x | 16.24 | 17.42 | 18.12 | x | x | 18.12 | |||||
| 4 | align=left | align=left | 16.07 | 17.98 | 17.72 | 18.09 | 17.78 | 17.34 | 18.09 | ||||
| 5 | align=left | align=left | 17.20 | x | 17.06 | 17.35 | x | x | 17.35 | ||||
| 6 | align=left | align=left |  | 16.44 | 16.68 | 17.14 | 16.56 | 16.65 | 16.50 | 17.14 | |||
| 7 | align=left | align=left |  | 16.91 | 17.01 | 17.12 | 16.92 | 16.37 | 16.79 | 17.12 | |||
| 8 | align=left | align=left |  | 17.05 | 16.95 | x | 16.44 | 16.36 | 15.85 | 17.05 | |||
| 9 | align=left | align=left |  | 16.54 | 16.49 | x | 16.54 | ||||||
| 10 | align=left | align=left | | 16.46 | 16.49 | x | 16.49 | ||||||
| 11 | align=left | align=left |  | 16.43 | x | x | 16.43 | ||||||
| 12 | align=left | align=left |  | x | 15.80 | 16.30 | 16.30 | ||||||
31 Jul
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | x | 17.94 | - | 17.94 | Q | |||
| 2 | align=left | align=left | 17.46 | - | - | 17.46 | Q | |||
| 3 | align=left | align=left | | 14.82 | 17.04 | - | 17.04 | Q | ||
| 4 | align=left | align=left | | 16.31 | 16.32 | 16.95 | 16.95 | q | ||
| 5 | align=left | align=left | | 16.37 | 16.88 | 16.21 | 16.88 | q | ||
| 6 | align=left | align=left | | 15.97 | 16.79 | 16.67 | 16.79 | q | ||
| 7 | align=left | align=left | 15.67 | 16.42 | x | 16.42 | ||||
| 8 | align=left | align=left | 15.13 | 15.54 | 16.01 | 16.01 | ||||
| 9 | align=left | align=left |  | 15.90 | x | x | 15.90 | |||
| 10 | align=left | align=left | 15.39 | 15.76 | 15.29 | 15.76 | ||||
| 11 | align=left | align=left |  | 15.64 | 15.48 | 15.70 | 15.70 | |||
| 12 | align=left | align=left | | x | 15.16 | 15.65 | 15.65 | |||
| 13 | align=left | align=left |  | x | 15.23 | 15.18 | 15.23 | |||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | 18.05 | - | - | 18.05 | Q | |||
| 2 | align=left | align=left | | 16.91 | 17.82 | - | 17.82 | Q | ||
| 3 | align=left | align=left | 16.39 | x | 17.28 | 17.28 | Q | |||
| 4 | align=left | align=left | | 16.06 | 16.88 | 17.16 | 17.16 | Q | ||
| 5 | align=left | align=left | | 16.67 | x | x | 16.67 | q | ||
| 6 | align=left | align=left | | 16.22 | x | 16.53 | 16.53 | q | ||
| 7 | align=left | align=left | | 16.16 | 15.85 | x | 16.16 | |||
| 8 | align=left | align=left |  | 15.39 | 15.65 | 15.98 | 15.98 | |||
| 9 | align=left | align=left | 15.79 | 15.37 | 15.90 | 15.90 | ||||
| 10 | align=left | align=left |  | 15.55 | 15.29 | x | 15.55 | |||
| 11 | align=left | align=left |  | 15.25 | 15.10 | 15.04 | 15.25 | |||
| 12 | align=left | align=left |  | x | 14.92 | x | 14.92 | |||
| 13 | align=left | align=left |  | 14.40 | x | x | 14.40 | |||
| 14 | align=left | align=left | 14.19 | x | x | 14.19 | ||||
According to an unofficial count, 27 athletes from 21 countries participated in the event.