| Olympia Zacharias | |
| Birth Date: | 17 January 1986 |
| Birth Place: | Denigomodu |
| Spouse: | Winston Harris |
| Nationality: | Nauru |
Olympia Zacharias (born 17 January 1986) is a Nauruan runner who competed at the 2003 World Championships in Athletics. She was her country's only athlete at that event in Paris. Her best distance is 100 m and her record in 2003 was 14.07 seconds with her personal best time being 13.17 seconds.[1] In 2003, she was elected to lead the Nauru Athletics Association for three years.
In 2011, she became engaged to Winston Harris.[2] They married on 1 July 2011 at Nauru Independent Church.[3]