was a town located in Amakusa District, Kumamoto Prefecture, Japan.
As of 2003, the town had an estimated population of 17,017 and a density of 448.05 persons per km<sup>2</sup>. The total area was 37.98 km<sup>2</sup>.
On March 31, 2004, à Âyano, along with the towns of Himedo, Matsushima and Ryà «gatake (all from Amakusa District), was merged to create the city of Kami-Amakusa and no longer exists as an independent municipality.
The main island comprising à Âyano is still called à Âyano Island, and is connected to mainland Kyushu by the first of the "Amakusa Five Bridges", Tenmonbashi. à Âyano is connected to the rest of Kami-Amakusa City by the second through fifth bridges: Oyanobashi, Nakanobashi, Maejimabashi, and Matsushimabashi.
Oyano Island is home to the Amakusa Shiro Memorial Hall, a museum that documents the history of the Amakusa-Shimabara Rebellion of 1637.