Sloane Stephens defeated Madison Keys in the final, 6–3, 6–0 to win the women's singles tennis title at the 2017 US Open.

[2][3] It was the first all-American final at the US Open since 2002; for the first time at a major since the 1985 Wimbledon Championships, all four semifinalists were American, and all from the same country overall.

[4] Angelique Kerber was the defending champion, but was defeated in the first round by Naomi Osaka.

[7] This was Maria Sharapova's first major since the 2016 Australian Open, following a suspension for violating anti-doping rules.

She was awarded a wildcard into the main draw, and was defeated by Anastasija Sevastova in the fourth round.