Alionoctula is a genus of bats in the family Vespertilionidae and subfamily Vespertilioninae.

Species in this genus were previously all classified under the genus Pipistrellus, but were reclassified after a 2025 study demonstrated that the group was non-monophyletic.

Species According to Mammal Diversity Database: Japanese pipistrelle, A. abramus Forest pipistrelle, A. adamsi New Guinea pipistrelle, A. angulata Babu's pipistrelle, A. babu Kelaart's pipistrelle, A. ceylonica Greater Papuan pipistrelle, A. collina Indian pipistrelle, A. coromandra Dhofar pipistrelle, A. dhofarensis Endo's pipistrelle, A. endoi Javan pipistrelle, A. javanica Minahassa pipistrelle, A. minahassae †Christmas Island pipistrelle, A. murrayi Lesser Papuan pipistrelle, A. papuana Mount Popa pipistrelle, A. paterculus Narrow-winged pipistrelle, A. stenoptera †Sturdee's pipistrelle, A. sturdeei Least pipistrelle, A. tenuis Watts's pipistrelle, A. wattsi Northern pipistrelle, A. westralis

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