B. japonica
# B. japonica

B. japonica may refer to:

* Balanophora japonica, a plant species
* Barnardia japonica, a bulbous flowering plant species
* Blera japonica, a hoverfly species
* Bombycilla japonica, the Japanese Waxwing, a fairly small passerine bird species found in north-east Asia
* Buddleja japonica, a plant species found in Honshu and Shikoku, Japan
* Buergeria japonica, the Ryukyu Kajika Frog or Ryukyu Kajikagaeru, a frog species found in Japan and Taiwan
