B. orientalis

B. orientalis may refer to:


 * Bagrus orientalis, a fish species found in Malawi and Tanzania
 * Bangasternus orientalis, the yellow starthistle bud weevil, a beetle species native to southern Europe and the Mediterranean
 * Batis orientalis, the grey-headed batis, a bird species found in Africa
 * Berlinia orientalis, a legume species found in Mozambique and Tanzania
 * Blatta orientalis, the oriental cockroach or waterbug, a large cockroach species
 * Bolbena orientalis, a praying mantis species
 * Bombina orientalis, the Oriental fire-bellied toad, a small semi-aquatic toad species found in Korea, north-eastern China and adjacent parts of Russia
 * Braula orientalis, a bee lice fly species in the genus Braula
 * Brunnera orientalis, a plant species in the genus Brunnera
 * Bunias orientalis, a plant species