| Katharina Steinruck | |
| Nationality: | German |
| Sport: | Long-distance running |
| Event: | Marathon |
| Birth Date: | 22 August 1989 |
Katharina Steinruck (née Heinig; born 22 August 1989) is a German long-distance runner.[1] She competed in the women's marathon at the 2017 World Championships in Athletics.[2]