1990 Wimbledon Championships – Boys' singles

Leander Paes defeated Marcos Ondruska in the final, 7–5, 2–6, 6–4 to win the boys' singles tennis title at the 1990 Wimbledon Championships.

Seeds
Martin Damm (second round) Marcos Ondruska (final) 🇲🇽 Oliver Fernández (second round) 🇦🇷 Hernán Gumy (third round) 🇨🇦 Sébastien Leblanc (third round) Andriy Medvedev (third round) 🇺🇸 Ivan Baron (semifinals) Pavel Gazda (quarterfinals) Jan Kodeš (first round) Clinton Marsh (first round) 🇮🇳 Leander Paes (champion) 🇹🇭 Narathorn Srichaphan (quarterfinals) 🇸🇪 Mårten Renström (third round) Andrei Rybalko (second round) Saša Hiršzon (quarterfinals) 🇦🇺 Grant Doyle (second round)