Kōnan (香南町 Kōnan-cho) was a town located in Kagawa District, Kagawa, Japan.
On January 10, 2006 Kōnan, along with the towns of Aji and Mure, both from Kita District, the town of Kagawa, also from Kagawa District, and the town of Kokubunji, from Ayauta District, was merged into the expanded city of Takamatsu and no longer exists as an independent municipality.
As of 2003, the town had an estimated population of 7,938 and a density of 539.27 persons per km². The total area was 14.72 km².