The men's long jump event at the 2017 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zdzisław Krzyszkowiak Stadium on 13 and 14 July.
| Gold | Vladyslav Mazur | |
| Silver | Filippo Randazzo | |
| Bronze | Thobias Nilsson Montler |
13 July[1]
Qualification rule: 7.65 (Q) or the 12 best results (q) qualified for the final.
| Rank | Group | Name | Nationality |
|
|
| Results | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | B | align=left | align=left | 8.04 | 8.04 | Q, =EL | |||||
| 2 | A | align=left | align=left | 7.74 | 7.74 | Q | |||||
| 3 | B | align=left | align=left | 7.64 | 7.72 | 7.72 | Q, =PB | ||||
| 4 | B | align=left | align=left | 7.55 | 7.41 | 7.70 | 7.70 | Q, SB | |||
| 5 | B | align=left | align=left | 7.48 | 7.56 | 7.67 | 7.67 | Q | |||
| 6 | A | align=left | align=left | 7.60 | x | 7.66 | 7.66 | Q | |||
| 7 | A | align=left | align=left | x | 7.52 | 7.61 | 7.61 | q | |||
| 8 | B | align=left | align=left | 7.26 | 7.61 | 5.82 | 7.61 | q, PB | |||
| 9 | A | align=left | align=left | x | 7.61w | x | 7.61w | q | |||
| 10 | A | align=left | align=left | 7.57 | 7.59w | 7.59 | 7.59 | q | |||
| 11 | B | align=left | align=left | 7.59w | 7.50 | 7.49 | 7.59w | q, =SB | |||
| 12 | A | align=left | align=left | 7.45 | x | 7.58 | 7.58 | q | |||
| 13 | A | align=left | align=left | 7.07 | 7.58w | 7.12 | 7.58w | ||||
| 14 | A | align=left | align=left | 7.54 | 7.38w | 7.14 | 7.54 | ||||
| 15 | A | align=left | align=left | 7.54 | x | x | 7.54 | ||||
| 16 | B | align=left | align=left | 7.51w | 7.39 | 7.26 | 7.51w | ||||
| 17 | A | align=left | align=left | 7.26 | 7.30 | 7.48 | 7.48 | ||||
| 18 | B | align=left | align=left | 7.33 | x | 7.42 | 7.42 | ||||
| 19 | B | align=left | align=left | 7.42 | 7.26 | x | 7.42 | ||||
| 20 | A | align=left | align=left | 7.25 | 7.41 | 7.36 | 7.41 | ||||
| 21 | B | align=left | align=left | x | x | 7.40 | 7.40 | ||||
| 22 | B | align=left | align=left | 7.39 | 7.08 | 7.38 | 7.39 | ||||
| 23 | B | align=left | align=left | x | 7.39 | x | 7.39 | ||||
| 24 | B | align=left | align=left | 7.35 | 7.29 | x | 7.35 | ||||
| 25 | A | align=left | align=left | x | 7.26 | 7.28 | 7.28 | ||||
| 26 | A | align=left | align=left | 7.07 | 4.17 | 7.26 | 7.26 | ||||
| 27 | B | align=left | align=left | 4.85w | 7.26 | x | 7.26 | ||||
| 28 | A | align=left | align=left | x | 7.23 | x | 7.23 | ||||
| 29 | A | align=left | align=left | 7.06 | x | 7.20 | 7.20 | ||||
| 30 | B | align=left | align=left | x | 5.26 | x | 5.26 | ||||
| A | align=left | align=left | x | x | x |
14 July[2]
| Rank | Name | Nationality |
|
|
|
|
|
| Result | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| align=left | align=left | 7.85 | 8.04 | x | 7.69 | 7.98 | 8.03 | 8.04 | =EL, PB | ||||
| align=left | align=left | 7.98w | x | x | 7.81 | 7.63 | x | 7.98w | |||||
| align=left | align=left | x | 7.96 | 7.59 | 7.71 | 7.78 | x | 7.96 | |||||
| align=left | align=left | 7.83w | 7.65 | 7.70 | 7.61 | 7.59 | 7.46 | 7.83w | |||||
| align=left | align=left | 7.59 | 7.51 | 7.13 | 7.54 | 7.59 | x | 7.59 | |||||
| align=left | align=left | 7.58 | x | 7.46 | x | x | 7.22 | 7.58 | |||||
| align=left | align=left | x | 7.28 | 7.51 | x | 7.54 | 7.28 | 7.54 | |||||
| align=left | align=left | 7.52w | 7.43 | 7.24 | 7.33 | 7.37 | 7.42 | 7.52w | |||||
| align=left | align=left | 7.49 | 7.41 | x | 7.49 | ||||||||
| 10 | align=left | align=left | 7.38 | x | 7.34 | 7.38 | |||||||
| align=left | align=left | x | x | x | |||||||||
| align=left | align=left | x | x | x |