was a village located in Senboku District, Akita Prefecture, Japan.
As of 2003, the village had an estimated population of 8,050 and a density of 195.58 persons per km<sup>2</sup>. The total area was 41.16 km<sup>2</sup>.
On November 1, 2004, Sennan, along with the towns of Rokugà  and Senhata (all from Senboku District), merged to create the town of Misato.