| Former municipality | |
| Since | April 1, 2004 |
| Currently part of | Omaezaki |
| Location | |
| Country | Japan |
| Region | Chūbu region (Tōkai region) |
| Prefecture | Shizuoka |
| District | Ogasa District |
| Physical characteristics | |
| Area | 53.57 km² |
| Population (as of March 1, 2004) | |
| Total | 24,774 |
| Density | 462.5/km² |
| Symbols | |
Hamaoka (浜岡町 Hamaoka-chō) was a town located in Ogasa District, Shizuoka Prefecture, Japan.
Hamaoka was founded as a town in 1955 through the merger of Ikeshinden Town with Sakura, Kitaki, Asahina and Niino Villages.
On April 1, 2004 Hamaoka was merged into the city of Omaezaki.
As of March 1, 2004, the town had an estimated population of 24,774 and a density of 462.5 persons per km². The total area was 53.57 km².
Hamaoka is noted as the site of the Hamaoka Nuclear Power Plant operated by Chubu Electric Power