2003 Pacific Life Open – Women's singles
Kim Clijsters defeated Lindsay Davenport in the final, 6–4, 7–5 to win the women's singles tennis title at the 2003 Indian Wells Masters.
Daniela Hantuchová was the defending champion, but lost in the fourth round to Amanda Coetzer.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All thirty-two seeds received a bye to the second round.- Kim Clijsters
- Jennifer Capriati '
- Daniela Hantuchová '
- Lindsay Davenport '
- Amélie Mauresmo '
- Jelena Dokić '
- Anastasia Myskina '
- Chanda Rubin '
- Patty Schnyder '
- Magdalena Maleeva '
- Anna Pistolesi '
- Eleni Daniilidou '
- Elena Bovina '
- Elena Dementieva '
- Nathalie Dechy '
- Amanda Coetzer '
- Silvia Farina Elia '
- Lisa Raymond '
- Tatiana Panova '
- Paola Suárez '
- Ai Sugiyama '
- Alexandra Stevenson '
- Meghann Shaughnessy '
- Clarisa Fernández '
- Elena Likhovtseva '
- Conchita Martínez '
- Katarina Srebotnik '
- Iva Majoli '
- Tamarine Tanasugarn '
- Laura Granville '
- Francesca Schiavone '
- Janette Husárová ''''