The men's shot put event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 8 July. A 6 kg (junior implement) shot was used.
| Gold | David Storl | |
| Silver | Alexander Bulanov | |
| Bronze | Marin Premeru |
8 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | x | 19.81 | 19.61 | x | 20.31 | 21.08 | 21.08 | |||||
| align=left | align=left | | 19.29 | x | x | 19.51 | 19.31 | 20.14 | 20.14 | ||||
| align=left | align=left | 19.13 | 19.73 | 19.93 | 19.90 | 19.64 | x | 19.93 | |||||
| 4 | align=left | align=left |  | 18.34 | 19.23 | 19.21 | 19.21 | 18.96 | 19.85 | 19.85 | |||
| 5 | align=left | align=left |  | 19.80 | x | x | 19.50 | x | x | 19.80 | |||
| 6 | align=left | align=left |  | 19.06 | 19.11 | x | 18.82 | 19.39 | x | 19.39 | |||
| 7 | align=left | align=left |  | 17.83 | 18.62 | 19.21 | x | x | x | 19.21 | |||
| 8 | align=left | align=left | 18.95 | 19.11 | x | 18.07 | x | x | 19.11 | ||||
| 9 | align=left | align=left |  | 19.11 | x | 18.31 | 19.11 | ||||||
| 10 | align=left | align=left | | 18.77 | x | x | 18.77 | ||||||
| 11 | align=left | align=left |  | 18.42 | x | 18.69 | 18.69 | ||||||
| 12 | align=left | align=left |  | 18.42 | 18.11 | 17.90 | 18.42 | ||||||
8 July
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | x | 17.97 | 19.61 | 19.61 | Q | ||
| 2 | align=left | align=left | | 18.55 | 19.27 | 19.20 | 19.27 | q | ||
| 3 | align=left | align=left | | 18.31 | 19.24 | 19.21 | 19.24 | q | ||
| 4 | align=left | align=left | 18.75 | x | 18.66 | 18.75 | q | |||
| 5 | align=left | align=left | | 18.26 | 18.67 | x | 18.67 | q | ||
| 6 | align=left | align=left | | 17.64 | 18.43 | 18.60 | 18.60 | q | ||
| 7 | align=left | align=left |  | 17.84 | 17.72 | 18.35 | 18.35 | |||
| 8 | align=left | align=left | | 18.10 | 18.31 | 17.69 | 18.31 | |||
| 9 | align=left | align=left |  | 18.29 | 17.90 | 17.75 | 18.29 | |||
| 10 | align=left | align=left | x | 18.28 | x | 18.28 | ||||
| 11 | align=left | align=left |  | x | 18.10 | 17.24 | 18.10 | |||
| 12 | align=left | align=left | 17.69 | 17.32 | 17.66 | 17.69 | ||||
| 13 | align=left | align=left |  | x | 17.65 | 17.69 | 17.69 | |||
| 14 | align=left | align=left |  | x | 17.68 | 17.22 | 17.68 | |||
| 15 | align=left | align=left |  | 16.89 | 17.57 | x | 17.57 | |||
| 16 | align=left | align=left |  | 16.26 | 17.05 | 17.31 | 17.31 | |||
| 17 | align=left | align=left |  | x | 16.11 | 17.28 | 17.28 | |||
| 18 | align=left | align=left | 14.80 | 15.71 | 15.89 | 15.89 | ||||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | 19.88 | - | - | 19.88 | Q | |||
| 2 | align=left | align=left | | 18.68 | 19.20 | 19.28 | 19.28 | q | ||
| 3 | align=left | align=left | | 18.60 | 18.95 | 18.83 | 18.95 | q | ||
| 4 | align=left | align=left | | 18.70 | x | x | 18.70 | q | ||
| 5 | align=left | align=left | 17.27 | 18.57 | x | 18.57 | q | |||
| 6 | align=left | align=left | | 18.56 | x | 17.73 | 18.56 | q | ||
| 7 | align=left | align=left | 18.37 | 18.50 | x | 18.50 | ||||
| 8 | align=left | align=left | | 17.28 | 18.38 | x | 18.38 | |||
| 9 | align=left | align=left | | 18.32 | x | x | 18.32 | |||
| 10 | align=left | align=left | | 17.08 | 17.49 | 18.10 | 18.10 | |||
| 11 | align=left | align=left | | 17.49 | 17.46 | 17.92 | 17.92 | |||
| 12 | align=left | align=left |  | 17.65 | 17.88 | 17.54 | 17.88 | |||
| 13 | align=left | align=left |  | 17.21 | x | x | 17.21 | |||
| 14 | align=left | align=left |  | 16.20 | 16.65 | 16.17 | 16.65 | |||
| 15 | align=left | align=left |  | 15.26 | x | 16.54 | 16.54 | |||
| 16 | align=left | align=left |  | x | x | 16.43 | 16.43 | |||
| 17 | align=left | align=left | x | x | 15.87 | 15.87 | ||||
| align=left | align=left | | x | x | x | NM | ||||
According to an unofficial count, 36 athletes from 28 countries participated in the event.