Oton
| Oton Ogtong | |
|---|---|
| Municipality of Oton | |
| Aerial view of Oton | |
| Nickname: Second oldest Spanish settlement in the Philippines | |
| Motto: Banwang Panganay of Western Visayas | |
| Map of Iloilo with Oton highlighted | |
| OpenStreetMap | |
| Location within the Philippines | |
| Coordinates: 10°41′35″N 122°28′25″E / 10.69306°N 122.47361°E | |
| Country | Philippines | 
| Region | Western Visayas | 
| Province | Iloilo | 
| District | 1st district | 
| Founded | 1566 | 
| Formal town establishment | May 3, 1572 | 
| Barangays | 37 (see Barangays) | 
| Government | |
| • Type | Sangguniang Bayan | 
| • Mayor | Sofronio Fusin Jr. | 
| • Vice Mayor | Jose Neil Olivares | 
| • Representative | Janette L. Garin | 
| • Municipal Council | Members | 
| • Electorate | 54,996 voters (2025) | 
| Area | |
|  • Total | 86.44 km2 (33.37 sq mi) | 
| Elevation | 15 m (49 ft) | 
| Highest elevation | 147 m (482 ft) | 
| Lowest elevation | 0 m (0 ft) | 
| Population  (2020 census) | |
|  • Total | 98,509 | 
| • Density | 1,100/km2 (3,000/sq mi) | 
| • Households | 24,583 | 
| Demonym | Ogtonganon | 
| Economy | |
| • Income class | 1st municipal income class | 
| • Poverty incidence | 9.52 | 
| • Revenue | ₱ 428.4 million (2022) | 
| • Assets | ₱ 1,165 million (2022) | 
| • Expenditure | ₱ 301.8 million (2022) | 
| • Liabilities | ₱ 230.3 million (2022) | 
| Service provider | |
| • Electricity | Iloilo 1 Electric Cooperative (ILECO 1) | 
| Time zone | UTC+8 (PST) | 
| ZIP code | 5020 | 
| PSGC | |
| IDD : area code | +63 (0)33 | 
| Native languages | Karay-a Hiligaynon Tagalog | 
| Website | www | 
Oton, officially the Municipality of Oton ([oˈton]; Kinaray-a: Banwa kang Oton, Hiligaynon: Banwa sang Oton, Tagalog: Bayan ng Oton), is a municipality in the province of Iloilo, Philippines. According to the 2020 census, it has a population of 98,509 people making it as the most populous town in the province and the entire Panay island. Oton is 11 kilometres (6.8 mi) west of Iloilo City and is part of the Metro Iloilo–Guimaras area.
Oton is the second oldest Spanish settlement in the Philippines after Cebu. It was founded in 1571 and later became the capital of the islands of Panay, Guimaras, Negros, Tablas, Sibuyan, and Romblon.