| Event | Time | Meet | Date |
|---|---|---|---|
| 25m Backstroke | 33.95 | Mini OAKS Meet #3 | 2025-06-21 |
| 25m Freestyle | 33.23 | Mini OAKS Meet #3 | 2025-06-21 |
Zheng, Louisa's top personal bests include 25m Backstroke (33.95), 25m Freestyle (33.23).
Zheng, Louisa swims for Oakville Aquatic Club.
Zheng, Louisa has competed in 1 meets.