| Champ: |  Alejandro Davidovich Fokina |
| Runner: |  Axel Geller |
| Score: | 7–6(7–2), 6–3 |
| Before Name: | Wimbledon Championships – Boys' singles |
| After Name: | Wimbledon Championships – Boys' singles |
See main article: 2017 Wimbledon Championships.
Denis Shapovalov was the defending champion but chose to compete in the gentlemen's singles instead. He lost to Jerzy Janowicz in the first round.
Alejandro Davidovich Fokina won the title, defeating Axel Geller in the final, 7–6(7–2), 6–3.