The men's shot put event at the 2000 World Junior Championships in Athletics was held in Santiago, Chile, at Estadio Nacional Julio Martínez Prádanos on 19 October. A 7257g (Senior implement) shot was used.
| Gold | Rutger Smith | |
| Silver | Ivan Yushkov | |
| Bronze | Tomasz Chrzanowski |
19 October
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | 18.87 | 19.25 | 19.18 | x | x | 19.48 | 19.48 | |||||
| align=left | align=left | | x | 18.79 | 18.81 | 18.80 | 19.06 | 19.04 | 19.06 | ||||
| align=left | align=left | | 18.39 | x | 18.92 | x | 19.00 | 18.69 | 19.00 | ||||
| 4 | align=left | align=left |  | 18.88 | x | 19.00 | 18.44 | 18.48 | x | 19.00 | |||
| 5 | align=left | align=left |  | 17.84 | 18.34 | 18.89 | 17.85 | x | x | 18.89 | |||
| 6 | align=left | align=left | | x | x | 18.13 | x | 18.83 | x | 18.83 | |||
| 7 | align=left | align=left | | 18.14 | x | 18.26 | x | 17.83 | 18.10 | 18.26 | |||
| 8 | align=left | align=left | | 18.26 | x | x | x | x | x | 18.26 | |||
| 9 | align=left | align=left | 16.85 | 17.57 | 18.12 | 18.12 | |||||||
| 10 | align=left | align=left |  | 18.04 | x | x | 18.04 | ||||||
| 11 | align=left | align=left | | 17.27 | 17.60 | x | 17.60 | ||||||
| 12 | align=left | align=left | 17.23 | x | x | 17.23 | |||||||
19 October
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 17.15 | 18.71 | - | 18.71 | Q | ||
| 2 | align=left | align=left | | 18.01 | - | - | 18.01 | Q | ||
| 3 | align=left | align=left | | 17.22 | 17.92 | 17.65 | 17.92 | q | ||
| 4 | align=left | align=left | | 17.88 | x | 17.29 | 17.88 | q | ||
| 5 | align=left | align=left | 17.32 | 16.85 | 16.82 | 17.32 | q | |||
| 6 | align=left | align=left | 16.52 | 17.20 | 17.25 | 17.25 | q | |||
| 7 | align=left | align=left | | 16.45 | 16.25 | 15.47 | 16.45 | |||
| 8 | align=left | align=left | 16.36 | x | 15.99 | 16.36 | ||||
| 9 | align=left | align=left |  | 16.10 | 16.28 | 16.11 | 16.28 | |||
| 10 | align=left | align=left |  | 16.14 | 16.20 | 16.13 | 16.20 | |||
| 11 | align=left | align=left | 15.99 | 15.67 | 16.19 | 16.19 | ||||
| 12 | align=left | align=left |  | 16.19 | 15.29 | x | 16.19 | |||
| 13 | align=left | align=left | 15.69 | x | 16.16 | 16.16 | ||||
| 14 | align=left | align=left |  | x | 16.09 | 15.65 | 16.09 | |||
| 15 | align=left | align=left |  | 15.54 | 15.64 | 15.07 | 15.64 | |||
| 16 | align=left | align=left | x | 15.57 | 15.18 | 15.57 | ||||
| 17 | align=left | align=left |  | 14.76 | x | 14.64 | 14.76 | |||
| align=left | align=left |  | x | x | x | NM | ||||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | 17.76 | 18.52 | - | 18.52 | Q | |||
| 2 | align=left | align=left | | 17.96 | 18.10 | - | 18.10 | Q | ||
| 3 | align=left | align=left | | 18.01 | - | - | 18.01 | Q | ||
| 4 | align=left | align=left | | 17.94 | 17.98 | 17.90 | 17.98 | q | ||
| 5 | align=left | align=left | | 16.80 | 17.82 | 17.51 | 17.82 | q | ||
| 6 | align=left | align=left | | 16.81 | 17.17 | x | 17.17 | q | ||
| 7 | align=left | align=left |  | 17.14 | x | 16.46 | 17.14 | |||
| 8 | align=left | align=left | 16.71 | 16.80 | 16.49 | 16.80 | ||||
| 9 | align=left | align=left | | 15.49 | x | 16.73 | 16.73 | |||
| 10 | align=left | align=left | 16.28 | 16.49 | x | 16.49 | ||||
| 11 | align=left | align=left |  | x | 16.22 | 15.73 | 16.22 | |||
| 12 | align=left | align=left |  | 15.04 | 15.67 | 16.22 | 16.22 | |||
| 13 | align=left | align=left | 15.87 | x | x | 15.87 | ||||
| 14 | align=left | align=left |  | 15.86 | 15.71 | 15.81 | 15.86 | |||
| 15 | align=left | align=left |  | 15.68 | 15.59 | 15.78 | 15.78 | |||
| 16 | align=left | align=left | 15.65 | 15.59 | 15.24 | 15.65 | ||||
| 17 | align=left | align=left | 14.38 | 15.13 | 15.57 | 15.57 | ||||
| 18 | align=left | align=left |  | x | 14.11 | 14.12 | 14.12 | |||
| 19 | align=left | align=left |  | x | 11.15 | x | 11.15 | |||
According to an unofficial count, 37 athletes from 28 countries participated in the event.