| Breeda Dennehy Willis | |
| Nationality: | Irish |
| Sport: | Long-distance running |
| Event: | 5000 metres |
| Birth Date: | 2 February 1970 |
Breda Dennehy-Willis (born 3 February 1970) is an Irish long-distance runner. She competed in the women's 5000 metres at the 2000 Summer Olympics.[1]
Her daughter, Roisin Willis, u20 World Champion 800 meters 1:59.13 Gold medal relay 4x400 meters, was an American-based high school athlete who qualified for the 2021 US Olympic trials in the 800m.[2]