The men's long jump event at the 2016 IAAF World U20 Championships was held at Zdzisław Krzyszkowiak Stadium on 19 and 20 July.
| Gold | Maykel Massó | |
| Silver | Miltiadis Tentoglou | |
| Bronze | Darcy Roper |
| Standing records prior to the 2016 IAAF World U20 Championships in Athletics | |||||
|---|---|---|---|---|---|
| World Junior Record | 8.35 | Cheboksary, Russia | 20 June 2012 | ||
| Championship Record | 8.20 | Plovdiv, Bulgaria | 9 August 1990 | ||
| World Junior Leading | 8.30 | Ordos, China | 27 June 2016 | ||
Qualification: 7.70 (Q) or at least 12 best performers (q) qualified for the final.[1]
| Rank | Group | Name | Nationality |
|
|
| Result | Note | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | A | 7.30 | 7.48 | 7.96 | 7.96 | Q, PB | |||
| 2 | A | 7.57 | 7.38 | 7.91 | 7.91 | Q | |||
| 3 | B | 6.85 | 7.14 | 7.89 | 7.89 | Q | |||
| 4 | B | 7.60 | 7.69 | x | 7.69 | q | |||
| B | – | DQ[2] | |||||||
| 5 | B | 7.65 | 7.67 | 7.64 | 7.67 | q | |||
| 6 | A | 7.47 | 7.59 | 7.38 | 7.65 | q | |||
| 7 | B | 7.47 | 7.59 | 7.38 | 7.59 | q, SB | |||
| 8 | B | x | 7.55 | 7.51 | 7.55 | q | |||
| 9 | A | 7.53 | 7.48 | 7.54 | 7.54 | q | |||
| 10 | B | 7.53 | 7.17 | 7.51 | 7.53 | q | |||
| 11 | A | 7.52 | x | 7.36 | 7.52 | q | |||
| 12 | A | 6.90 | 7.21 | 7.52 | 7.52 | ||||
| 13 | A | 7.37 | 7.51 | 7.43 | 7.51 | ||||
| 13 | A | 7.36 | 7.22 | 7.42 | 7.42 | ||||
| 14 | B | 7.12 | 7.41 | 7.37 | 7.41 | ||||
| 15 | B | 7.40 | x | 7.39 | 7.40 | ||||
| 16 | A | 7.15 | x | 7.36 | 7.36 | ||||
| 17 | A | 7.33 | 7.19 | x | 7.33 | ||||
| 18 | B | 6.86 | 6.60 | 7.32 | 7.32 | ||||
| 19 | B | 7.27 | 7.19 | 7.06 | 7.27 | ||||
| 20 | A | x | x | 7.25 | 7.25 | ||||
| 21 | B | x | 7.15 | 7.02 | 7.15 | ||||
| 22 | A | x | 7.13 | 7.02 | 7.13 | ||||
| 23 | B | 7.06 | 6.90 | – | 7.06 | ||||
| 24 | A | 6.63 | 7.05 | 7.03 | 7.05 | ||||
| 25 | A | 6.84 | 6.94 | 6.73 | 6.94 | PB | |||
| 26 | B | x | 6.85 | 6.93 | 6.93 | ||||
| 27 | B | 6.86 | 6.86 | 6.92 | 6.92 | ||||
| 28 | A | 6.90 | x | 6.56 | 6.90 | SB | |||
| 29 | A | 6.65 | 6.83 | x | 6.83 | ||||
| B | x | x | x | ||||||
| A |
| Rank | Name | Nationality |
|
|
|
| Result | Note | |
|---|---|---|---|---|---|---|---|---|---|
| 7.50 | 8.00 | – | 7.80 | 8.00 | |||||
| 7.50 | 7.82 | 7.91 | 7.62 | 7.91 | |||||
| 7.69 | 7.88 | 7.44 | 7.75 | 7.88 | SB | ||||
| 7.67 | 7.41 | 7.61 | 7.81 | 7.81 | NU20R | ||||
| 7.62 | 3.84 | 7.78 | 7.71 | 7.78 | |||||
| 7.68 | 7.55 | 7.40 | 7.30 | 7.68 | |||||
| 7.41 | x | 7.59 | 7.59 | ||||||
| x | 7.31 | 7.45 | 7.45 | ||||||
| x | 7.39 | 6.53 | 7.39 | ||||||
| 10 | 7.29 | 7.19 | 7.31 | 7.31 | |||||
| 11 | 6.74 | 7.22 | x | 7.22 | |||||