Simona Halep defeated Beatriz Haddad Maia in the final, 6–3, 2–6, 6–3 to win the women's singles tennis title at the 2022 Canadian Open.

Haddad Maia was the first Brazilian to reach beyond the quarterfinals and contest the final at a WTA 1000 tournament.

[1][2] Camila Giorgi was the defending champion,[3] but lost in the third round to Jessica Pegula in a rematch of last year's semifinal.

The event is not mandatory on the women's side and points from the 2021 tournament are included in the table below only if they counted towards the player's ranking as of August 8, 2022.

‡ Points from the player's second-best non-mandatory WTA 1000 event, which are required to be counted in her ranking.