T. japonica

T. japonica may refer to:
 * Thalassomya japonica, a midge species in the genus Thalassomya
 * Theretra japonica, a moth species found in Japan, China, Korea and Russia
 * Tilia japonica, the Japanese lime or shina, a tree species in the genus Tilia
 * Torilis japonica, the Japanese hedge parsley, a plant species
 * Tylotiella japonica, a sea snail species