The 2005 Zurich Open was a women's tennis tournament played on indoor hard courts. It was the 22nd edition of the event known as the Zurich Open, and was part of the Tier I Series of the 2002 WTA Tour. It took place at the Hallenstadion in Zürich, Switzerland, from 17 October through 23 October 2002. First-seeded Lindsay Davenport won the singles title, while Cara Black and Rennae Stubbs claimed the doubles title.
See main article: 2005 Zurich Open – Singles. 
Lindsay Davenport defeated Patty Schnyder, 7–6(7–5), 6–3
See main article: 2005 Zurich Open – Doubles. Cara Black / 
Rennae Stubbs defeated 
Daniela Hantuchová / 
Ai Sugiyama, 6–7(6–8), 7–6(7–4), 6–3