Albert Costa defeated Juan Carlos Ferrero in the final, 6–1, 6–0, 4–6, 6–3 to win the men's singles tennis title at the 2002 French Open. It was his first and only major singles title. Gustavo Kuerten was the two-time defending champion, but lost in the fourth round to Costa. At this tournament, Feliciano López began his record run of 79 consecutive major main draw appearances that spanned twenty years, ending at the 2022 Australian Open.

Seeds

• 🇦🇺 Lleyton Hewitt (fourth round) • 🇷🇺 Marat Safin (semifinals) • 🇩🇪 Tommy Haas (fourth round) • 🇺🇸 Andre Agassi (quarterfinals) • 🇷🇺 Yevgeny Kafelnikov (second round) • 🇬🇧 Tim Henman (second round) • 🇧🇷 Gustavo Kuerten (fourth round) • Roger Federer (first round) • 🇸🇪 Thomas Johansson (second round) • 🇫🇷 Sébastien Grosjean (quarterfinals) • 🇪🇸 Juan Carlos Ferrero (final) • 🇺🇸 Pete Sampras (first round) • 🇺🇸 Andy Roddick (first round) • 🇨🇿 Jiří Novák (third round) • 🇦🇷 Guillermo Cañas (quarterfinals) • 🇲🇦 Younes El Aynaoui (second round) • 🇪🇸 Carlos Moyà (third round) • 🇪🇸 Àlex Corretja (semifinals) • 🇸🇪 Thomas Enqvist (second round) • 🇪🇸 Albert Costa (champion) • 🇦🇷 Juan Ignacio Chela (first round) • 🇷🇴 Andrei Pavel (quarterfinals) • 🇫🇷 Fabrice Santoro (second round) • 🇩🇪 Rainer Schüttler (second round) • 🇪🇸 Tommy Robredo (third round) • 🇧🇾 Max Mirnyi (first round) • 🇫🇷 Nicolas Escudé (first round) • 🇪🇨 Nicolás Lapentti (first round) • 🇦🇷 David Nalbandian (third round) • 🇳🇱 Sjeng Schalken (third round) • 🇦🇷 Gastón Gaudio (fourth round) • Ivan Ljubičić (first round)

Qualifying

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8