L. orientalis

L. orientalis may refer to:
 * Lactuca orientalis, a plant species
 * Lacuna orientalis, a sea snail species
 * Lasionycta orientalis, a moth species found in Tajikistan and Kyrgyzstan
 * Laxmannia orientalis, a tufted perennial herb species in the genus Laxmannia endemic to Australia
 * Leptorhynchos orientalis, an annual or perennial herb species in the genus Leptorhynchos endemic to Australia
 * Limaria orientalis, the file shell, a bivalve mollusc species
 * Liquidambar orientalis, the Oriental sweetgum or Turkish sweetgum, a deciduous tree species native to the eastern Mediterranean region
 * Lonchoptera orientalis, a spear-winged fly species in the genus Lonchoptera