Roger Federer defeated Tim Henman in the final, 6–3, 6–3, to win the men's singles tennis title at the 2004 Indian Wells Masters. Lleyton Hewitt was the two-time defending champion, but lost in the third round to Juan Ignacio Chela.

Seeds

All thirty-three seeds received a bye to the second round. • # Roger Federer (champion) • # 🇪🇸 Juan Carlos Ferrero (withdrew due to illness) • # 🇺🇸 Andy Roddick (quarterfinals) • # 🇦🇷 Guillermo Coria (quarterfinals) • # 🇺🇸 Andre Agassi (semifinals) • # 🇩🇪 Rainer Schüttler (second round) • # 🇪🇸 Carlos Moyá (second round) • # 🇦🇺 Lleyton Hewitt (third round) • # 🇬🇧 Tim Henman (final) • # 🇹🇭 Paradorn Srichaphan (second round) • # Nicolás Massú (second round, retired) • # 🇦🇺 Mark Philippoussis (second round) • # 🇫🇷 Sébastien Grosjean (fourth round) • # Sjeng Schalken (second round) • # 🇧🇷 Gustavo Kuerten (second round) • # 🇨🇿 Jiří Novák (third round) • # Martin Verkerk (second round) • # 🇺🇸 Mardy Fish (fourth round) • # 🇪🇸 Tommy Robredo (second round) • # 🇪🇸 Feliciano López (second round) • # 🇺🇸 Vince Spadea (third round) • # 🇦🇷 Agustín Calleri (fourth round) • # 🇪🇸 Albert Costa (third round) • # 🇫🇷 Arnaud Clément (second round) • # Fernando González (third round) • # 🇺🇸 Robby Ginepri (second round) • # 🇧🇾 Max Mirnyi (third round) • # 🇸🇪 Jonas Björkman (third round) • # 🇫🇮 Jarkko Nieminen (second round) • # 🇷🇺 Marat Safin (third round) • # 🇸🇰 Dominik Hrbatý (third round) • # 🇦🇷 Juan Ignacio Chela (quarterfinals) • # 🇦🇷 Gastón Gaudio (third round)

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8