The Boys' long jump at the 2013 World Youth Championships in Athletics was held on 10 and 11 July.
Prior to the competition, the following records were as follows.
| World Youth Best | 8.25 | La Habana, Cuba | 28 September 1986 | ||
| Championship Record | 7.95 | Marrakech, Morocco | 15 July 2005 | ||
| World Youth Leading | 7.95 | Pune, India | 5 July 2013 |
Qualification rule: 7.35 (Q) or at least 12 best performers (q) qualified.[1]
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| B | Henry Smith |
| Rank | Athlete | Country | Mark | Wind | |
|---|---|---|---|---|---|
| 7.79 | +0.7 | ||||
| 7.53 | +0.2 | ||||
| 7.53 | +0.1 | ||||
| 4 | 7.40 | +0.6 | |||
| 5 | 7.34 | +0.6 | |||
| 6 | 7.34 | +0.3 | |||
| 7 | 7.32 | 0.0 | |||
| 8 | 7.32 | +0.8 | |||
| 9 | 7.29 | +1.0 | |||
| 10 | 7.29 | +0.1 | |||
| 11 | 7.28 | +0.3 | |||
| 12 | 7.24 | +0.2 |