2005 US Open – Women's Singles


, the runner-up in 2003, won in the final 6–3, 6–1 against Mary Pierce to win the Women's Singles tennis title at the 2005 US Open. This was her first Grand Slam singles title and first of three US Open titles.
Svetlana Kuznetsova was the defending champion, but was defeated by Ekaterina Bychkova in the first round. Kuznetsova became the first US Open champion to lose in the first round of her title defense and the only one to do so until Angelique Kerber in 2017.
This was the first Grand Slam tournament in which Maria Sharapova competed as the World No. 1, having claimed the ranking a week prior to the tournament starting. She was defeated in the semi-finals by Kim Clijsters. This was also the final Grand Slam tournament appearance for the former world No. 2 and 1994 Wimbledon champion Conchita Martínez.

Seeds

Qualifying

Draw

Finals

Top Half

Section 1

Section 2

Section 3

Section 4

Bottom Half

Section 5

Section 6

Section 7

Section 8