The 2005 French Open was the 104th edition of the tournament. Rafael Nadal was a strong favourite after winning the Rome and Monte Carlo Masters, with Guillermo Coria, a 2004 finalist and runner-up in Monaco, calling Nadal the best clay-court player in the world prior to the tournament.
Seniors
Men's singles
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 Rafael Nadal def.  Mariano Puerta, 6-7(6), 6-3, 6-1, 7-5
Women's singles
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 Justine Henin-Hardenne def.  Mary Pierce, 6-1, 6-1
Henin-Hardenne became only the second French Open women's singles winner after saving match points en route to the title. In 2004 Myskina did the same.
Both saved match points against Russian Svetlana Kuznetsova in the fourth round.
Men's doubles
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 Jonas Björkman /  Max Mirnyi def.  Bob Bryan / Mike Bryan, 2-6, 6-1, 6-4
Women's doubles
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Virginia Ruano Pascual / Paola Suárez def.  Cara Black /  Liezel Huber, 4-6, 6-3, 6-3
Mixed doubles
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 Daniela Hantuchová / Fabrice Santoro def. Martina Navratilova /  Leander Paes, 3-6, 6-3, 6-2
Top 5 Seeds
Juniors
Boys' Singles
 Marin Čilić def.  Antal van der Duim, 6-3, 6-1
Girls' Singles
 Ágnes Szávay def.  Raluca-Ioana Olaru, 6-2, 6-1
Boys' Doubles
Emiliano Massa / Leonardo Mayer def.  Sergey Bubka / Jeremy Chardy, 2-6, 6-3, 6-4
Girls' Doubles
Victoria Azarenka / Ágnes Szávay def. Raluca-Ioana Olaru /  Amina Rakhim, 4-6, 6-4, 6-0
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