| Champ: |  Gianluigi Quinzi |
| Runner: |  Chung Hyeon |
| Score: | 7–5, 7–6(7–2) |
| Draw: | 64 (8 / 8) |
| Seeds: | 16 |
| Before Name: | Wimbledon Championships – Boys' singles |
| After Name: | Wimbledon Championships – Boys' singles |
See main article: 2013 Wimbledon Championships. Filip Peliwo was the defending champion, but was no longer eligible to compete in junior tennis, and thus could not defend his title.
Gianluigi Quinzi defeated Chung Hyeon in the final, 7–5, 7–6(7–2) to win the boys' singles tennis title at the 2013 Wimbledon Championships.[1] Quinzi won the title without dropping a set in the entire tournament. Quinzi was the second Italian ever to win the boys' singles title after Diego Nargiso who won the title in 1987.
See also: 1 and 1. 
Nick Kyrgios (third round)
See also: 2 and 4. Nikola Milojević (quarterfinals)
See also: 3 and 3. Alexander Zverev (third round, retired)
See also: 4 and 2. Laslo Đere (quarterfinals)
See also: 5 and 3. 
Kyle Edmund (semifinals)
See also: 6 and 4. Gianluigi Quinzi (champion)
See also: 7 and 2. Cristian Garín (third round, retired)
See also: 8 and 1. Borna Ćorić (quarterfinals)
See also: 9 and 1. Filippo Baldi (third round)
See also: 10 and 4. 
Johan Tatlot (third round)
See also: 11 and 3. 
Pedro Cachin (second round)
See also: 12 and 2. Maxime Hamou (first round)
See also: 13 and 1. 
Clément Geens (first round)
See also: 14 and 3. Guillermo Núñez (first round)
See also: 15 and 4. Frederico Ferreira Silva (first round)
See also: 16 and 2. Wayne Montgomery (first round)