The 2023 season on the WTA Tour kicks off at the end of December 2022 with the United Cup, which will be held, in Australia. You can see the list of tournaments on this page.
| Date | Category | Tournament | Surface | Winner |
| Dec 29 – Jan 8 | WTA 500 | United Cup | Hard | Team USA |
| Jan 1 – Jan 8 | WTA 500 | Adelaide International 1 | Hard | Aryna Sabalenka |
| Jan 2 – Jan 8 | WTA 250 | ASB Classic | Hard | Coco Gauff |
| Jan 2 – Jan 8 | WTA 250 | Hobart International | Hard | Lauren Davis |
| Jan 9 – Jan 14 | WTA 500 | Adelaide International 2 | Hard | Belinda Bencic |
| Jan 16 – Jan 29 | Grand Slam | Australian Open | Hard | Aryna Sabalenka |
| Jan 30 – Feb 5 | WTA 250 | Thailand Open | Hard | |
| Jan 30 – Feb 5 | WTA 250 | Open 6e Sens Métropole de Lyon | Hard |
| Date | Category | Tournament | Surface | Winner |
| Jan 30 – Feb 5 | WTA 250 | Thailand Open | Hard | Zhu Lin |
| Jan 30 – Feb 5 | WTA 250 | Open 6e Sens Métropole de Lyon | Hard | Alycia Parks |
| Feb 6 – Feb 12 | WTA 500 | Mubadala Abu Dhabi Open | Hard | Belinda Bencic |
| Feb 6 – Feb 12 | WTA 250 | Upper Austria Ladies Linz | Hard | Anastasia Potapova |
| Feb 13 – Feb 18 | WTA 500 | Qatar TotalEnergies Open | Hard | Iga Swiatek |
| Feb 19 – Feb 25 | WTA 1000 | Dubai Duty-Free Tennis Championships | Hard | |
| Feb 20 – Feb 26 | WTA 250 | Merida Open Akron | Hard | |
| Feb 27 – Mar 5 | WTA 250 | Abierto GNP Seguros | Hard | |
| Feb 27 – Mar 5 | WTA 250 | ATX Open | Hard |
| Date | Category | Tournament | Surface | Winner |
| Aug 1 – Aug 7 | WTA 250 | Citi Open | Hard | |
| Aug 1 – Aug 7 | WTA 500 | Mubadala Silicon Valley Classic | Hard | |
| Aug 8 – Aug 14 | WTA 1000 | National Bank Open Presented by Rogers | Hard | |
| Aug 15 – Aug 21 | WTA 1000 | Western & Southern Open | Hard | |
| Aug 21 – Aug 27 | WTA 250 | Tennis in the Land presented by Motorola edge | Hard | |
| Aug 21 – Aug 27 | WTA 250 | Championnats Banque Nationale de Granby | Hard | |
| Aug 29 – Sep 11 | Grand Slam | US Open | Hard |
