K. japonica
# K. japonica

K. japonica may refer to:

* Kadsura japonica, an ornamental plant species
* Kathablepharis japonica, a single-celled eukaryote species
* Kerria japonica, a deciduous shrub species native to eastern Asia, in China, Japan and Korea
* Kumba japonica, a rattail fish species found in the waters around Taiwan and southern Japan
