Amélie Mauresmo defeated Jennifer Capriati in the final, 6–4, 6–1 to win the women's singles tennis title at the 2002 Canadian Open.
Serena Williams was the reigning champion, but withdrew due to a left knee injury.
Seeds
The top eight seeds received a bye into the second round.
Serena Williams (withdrew due to a left knee injury) Jennifer Capriati (final) Jelena Dokić (semifinals, retired due to a right thigh strain) Kim Clijsters (third round) Justine Henin (quarterfinals) Martina Hingis (quarterfinals) Amélie Mauresmo (champion) Daniela Hantuchová (semifinals) Elena Dementieva (second round) Silvia Farina Elia (second round) Anastasia Myskina (first round) Dája Bedáňová (second round) Anna Smashnova (first round) Anne Kremer (first round) Lisa Raymond (first round) Chanda Rubin (second round)