Koyadaira, Tokushima

 was a village located in Mima District, Tokushima Prefecture, Japan.
As of 2003, the village had an estimated population of 1,210 and a density of 11.98 persons per km². The total area was 100.97 km².
On March 1, 2005, Koyadaira, along with the towns of Mima (former), Anabuki, and Waki (all from Mima District), was merged to create the city of Mima.