| Birth Date: | 7 June 1943 |
| Birth Place: | Tarrytown, New York, U.S. |
| Height: | 157 cm |
| Sport: | Speed skating |
| Pb: | 3000 m – 5:57.5 (1960) |
| Show-Medals: | yes |
Cornelia Kelleher Harrington (born June 7, 1943) is a retired American speed skater. She competed in the 3000 m event at the 1960 Winter Olympics and placed 18th.