Takajō (高城町 Takajō-chō) was a town located in Kitamorokata District, Miyazaki, Japan.
On January 1, 2006 Takajō, along with the towns of Takazaki, Yamada and Yamanokuchi, all from Kitamorokata District, was merged into the expanded city of Miyakonojō and no longer exists as an independent municipality.
As of 2003, the town had an estimated population of 12,092 and the density of 128.35 persons per km². The total area was 94.21 km².