2004 Wimbledon Championships – Boys' singles

Florin Mergea was the defending champion, but did not complete in the Juniors this year.

Gaël Monfils defeated Miles Kasiri in the final, 7–5, 7–6(8-6) to win the boys' singles tennis title at the 2004 Wimbledon Championships.

Seeds
🇫🇷 Gaël Monfils (champion) 🇬🇧 Andy Murray (third round) 🇫🇷 Josselin Ouanna (third round) 🇸🇰 Kamil Čapkovič (third round) 🇺🇸 Alex Kuznetsov (second round) 🇩🇪 Mischa Zverev (second round) 🇺🇸 Brendan Evans (quarterfinals) 🇩🇪 Sebastian Rieschick (third round) 🇪🇸 Pablo Andújar (first round) 🇰🇷 Kim Sun-yong (first round) 🇺🇸 Scoville Jenkins (semifinals) 🇮🇳 Karan Rastogi (first round) 🇮🇹 Fabio Fognini (first round) 🇺🇸 Scott Oudsema (first round) Coen van Keulen (first round) Remko de Rijke (third round)