2023 Wimbledon Championships – Boys' singles

Mili Poljičak was the reigning champion, but was no longer eligible to participate in junior events.

Henry Searle won the title, defeating Yaroslav Demin in the final, 6–4, 6–4. Searle was the first British boy to lift the Wimbledon trophy since Stanley Matthews won the Championships in 1962.

Seeds
• 🇧🇴 Juan Carlos Prado Ángelo (first round)

• 🇲🇽 Rodrigo Pacheco Méndez (third round)

• 🇨🇳 Zhou Yi (third round)

• 🇺🇸 Cooper Williams (semifinals)

• Yaroslav Demin (final)

• 🇧🇬 Iliyan Radulov (quarterfinals)

• 🇷🇸 Branko Đurić (first round)

• 🇧🇷 João Fonseca (quarterfinals)

• 🇺🇸 Darwin Blanch (semifinals)

• 🇦🇹 Joel Schwärzler (first round)

• 🇯🇵 Rei Sakamoto (third round)

• 🇧🇬 Adriano Dzhenev (first round)

• 🇨🇿 Maxim Mrva (first round)

• 🇮🇹 Federico Bondioli (second round)

• 🇵🇱 Tomasz Berkieta (quarterfinals)

• 🇪🇸 Alejandro Melero Kretzer (third round)

Seeds
• # 🇩🇪 Lasse Pörtner (first round)

• # 🇨🇿 Vít Kalina (qualifying competition)

• # 🇨🇿 Petr Brunclík (qualified)

• # 🇮🇳 Aryan Shah (qualifying competition)

• # 🇰🇷 Roh Ho-young (qualifying competition)

• # 🇧🇷 Pedro Rodrigues (first round)

• # 🇷🇸 Vuk Rađenović (first round)

• # 🇸🇪 Albert Saar (qualifying competition)

• # 🇺🇸 Alexander Frusina (first round)

• # 🇹🇷 Atakan Karahan (qualifying competition)

• # 🇮🇹 Fabio De Michele (qualified)

• # 🇺🇸 Maxwell Exsted (first round)

• # 🇺🇸 Cooper Woestendick (qualified)

• # 🇧🇷 Gustavo Ribeiro de Almeida (first round)

• # 🇦🇺 Pavle Marinkov (qualified)

• # 🇮🇹 Carlo Alberto Caniato (qualified)

Qualifiers
• # 🇺🇸 Cooper Woestendick

• # 🇮🇹 Filippo Romano

• # 🇨🇿 Petr Brunclík

• # 🇮🇹 Fabio De Michele

• # 🇦🇺 Pavle Marinkov

• # 🇮🇹 Carlo Alberto Caniato

• # 🇮🇳 Manas Dhamne

• # 🇻🇪 Ignacio Parisca