The men's discus throw event at the 2015 European Athletics U23 Championships was held in Tallinn, Estonia, at Kadriorg Stadium on 9 and 10 July.
| Gold | Alin Firfirică | |
| Silver | Wojciech Praczyk | |
| Bronze | Róbert Szikszai |
10 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 59.21 | 60.64 | x | 57.77 | 57.37 | 59.43 | 60.64 | ||||
| align=left | align=left | | 58.29 | 58.96 | 58.62 | 58.12 | 58.87 | 58.30 | 58.96 | ||||
| align=left | align=left | | x | 54.77 | 56.55 | x | 56.98 | 58.82 | 58.82 | ||||
| 4 | align=left | align=left | 57.14 | 57.16 | 58.76 | 58.28 | x | 56.72 | 58.76 | ||||
| 5 | align=left | align=left |  | 55.86 | 58.05 | x | x | x | x | 58.05 | |||
| 6 | align=left | align=left | | x | 55.31 | 55.98 | 57.08 | x | x | 57.08 | |||
| 7 | align=left | align=left | | 57.07 | x | x | x | 55.67 | x | 57.07 | |||
| 8 | align=left | align=left | | x | 56.21 | x | x | x | x | 56.21 | |||
| 9 | align=left | align=left | 52.44 | x | 55.51 | 55.51 | |||||||
| 10 | align=left | align=left |  | 55.49 | x | 55.38 | 55.49 | ||||||
| 11 | align=left | align=left |  | x | x | 52.68 | 52.68 | ||||||
| align=left | align=left | | x | x | x | NM | |||||||
9 July
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 57.46 | 59.16 | 53.17 | 59.16 | q | ||
| 2 | align=left | align=left | 58.49 | 57.12 | x | 58.49 | q | |||
| 3 | align=left | align=left | | x | x | 58.34 | 58.34 | q | ||
| 4 | align=left | align=left | | 57.88 | 58.14 | 56.15 | 58.14 | q | ||
| 5 | align=left | align=left | | 57.25 | 56.57 | 57.65 | 57.65 | q | ||
| 6 | align=left | align=left | | 54.62 | 57.63 | x | 57.63 | q | ||
| 7 | align=left | align=left | x | 56.18 | 56.97 | 56.97 | q | |||
| 8 | align=left | align=left | | 54.63 | 55.70 | 54.48 | 55.70 | q | ||
| 9 | align=left | align=left | | 55.39 | 55.69 | x | 55.69 | q | ||
| 10 | align=left | align=left | | 51.94 | 52.98 | 55.29 | 55.29 | q | ||
| 11 | align=left | align=left | | 52.95 | 47.81 | 55.27 | 55.27 | q | ||
| 12 | align=left | align=left | | 54.04 | 54.91 | x | 54.91 | q | ||
| 13 | align=left | align=left | | 52.57 | 52.38 | 54.33 | 54.33 | |||
| 14 | align=left | align=left |  | 51.28 | 52.31 | 53.93 | 53.93 | |||
| 15 | align=left | align=left |  | 53.66 | 52.95 | x | 53.66 | |||
| 16 | align=left | align=left |  | 53.56 | x | 53.45 | 53.56 | PB | ||
| 17 | align=left | align=left |  | 53.31 | 50.86 | x | 53.31 | |||
| 18 | align=left | align=left | | x | 52.63 | 52.32 | 52.63 | |||
| 19 | align=left | align=left | | 47.80 | 51.82 | x | 51.82 | |||
| 20 | align=left | align=left | | 51.43 | 48.66 | 49.43 | 51.43 | |||
| 21 | align=left | align=left | 49.35 | 48.93 | 49.95 | 49.95 | ||||
| 22 | align=left | align=left |  | 49.91 | 48.53 | 48.34 | 49.91 | |||
| align=left | align=left |  | x | x | x | NM | ||||
According to an unofficial count, 23 athletes from 15 countries participated in the event.