The 2017 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association for the 2017 tennis season. The 2017 WTA Tour calendar comprises the Grand Slam tournaments
Simona Halep finished the year as WTA world No. 1 for the first time in her career, though Garbiñe Muguruza was named the Player of the Year. Halep won one tournament during the season, a Premier Mandatory event, and finished runner-up at a major, the French Open. Muguruza won two tournaments during the season, including a major at the Wimbledon Championships, and a Premier 5 event.