Yayoi, Ōita
Yayoi was a town located in Minamiamabe District, Ōita Prefecture, Japan.
As of 2003, the town had an estimated population of 7,248 and the density of 87.44 persons per km². The total area was 82.89 km².
On March 3, 2005, Yayoi, along with the towns of Kamae, Kamiura, Tsurumi and Ume, and the villages of Honjō, Naokawa and Yonōzu, was merged into the expanded city of Saiki.