Bedellia somnulentella, the sweet potato leaf miner, is a moth in the family Bedelliidae.
The wingspan is 8–10 mm.
The larvae feed on Calystegia pubescens, Calystegia sepium, Convolvulus althaeoides, Convolvulus arvensis, Convolvulus siculus, Convolvulus tricolour, Ipomoea batatas and Ipomoea purpurea. They mine the leaves of their host plant.
Originally from Asia, where its food plants are found, it has reached a nearly cosmopolitan distribution and has been recorded from Russia, Ukraine, Georgia, southern Kazakhstan, Kirgizia, Uzbekistan, nearly all of Europe, the Middle East, Africa, India, Japan, North America, Australia, New Zealand and Oceania.