was a town located in Shida District, Shizuoka Prefecture, Japan.
On November 1, 2008, Ōigawa was merged into the expanded city of Yaizu and thus no longer exists as an independent municipality.
Population
As of 2008, the town had an estimated population of 22,695 and a density of 962.92 persons per km<sup>2</sup>. The total area was 24.54 km<sup>2</sup>.
Geography
Surrounding municipalities
- Fujieda
- Yaizu
- Shimada
- Yoshida, Haibara District
History
- April 1, 1889 – Aikawa Village, Yoshinaga Village and Shizuhama Village founded.
- March 31, 1955 – Ōigawa Town was created from the merger of Aikawa, Yoshinaga and Shizuhama.
- November 1, 2008 – Ōigawa Town was merged into the expanded city of Yaizu.