|Chairman of the Commission on Elections|
January 11, 1999 – February 15, 2001
|Appointed by||Joseph Estrada|
|Preceded by||Luzviminda Tancangco|
|Succeeded by||Alfredo Benipayo|
Harriet Obias Demetriou is a Filipino lawyer and was the first Chairwoman of the Philippine election commission, the COMELEC, appointed by President Joseph Estrada. She is one of the only four woman appointed to the Philippine Election Commission.
On January 11, 1999 President Estrada appointed Sandiganbayan Justice Harriet Demetriou as Chairman of the Commission. After the events of January 2001 that led to the ouster of President Estrada from power, Demetriou tendered her courtesy resignation which was accepted by President Gloria Macapagal-Arroyo.
January 11, 1999– February 15, 2001
| Succeeded by|