| Champ: |  Elena Rybakina |
| Runner: |  Marta Kostyuk |
| Score: | 6–2, 6–2 |
| Draw: | 28 (4WC, 4Q) |
| Seeds: | 8 |
| Type: | Singles Doubles |
| Main Name: | Women's Stuttgart Open Porsche Tennis Grand Prix |
See main article: 2024 Porsche Tennis Grand Prix.
Elena Rybakina defeated Marta Kostyuk in the final, 6–2, 6–2 to win the singles tennis title at the 2024 Stuttgart Open. It was her eighth career WTA Tour title.
Iga Świątek was the two-time defending champion,[1] but lost to Rybakina in the semifinals. The loss ended Świątek's 10-match unbeaten streak at the tournament.
Six of the eight quarterfinalists were major champions, including all four reigning major champions (Świątek, Aryna Sabalenka, Coco Gauff and Markéta Vondroušová).
The top four seeds received a bye into the second round.