Walston's tube-nosed bat (Murina walstoni) is a species in the vesper bat family Vespertilionidae, found in the Greater Mekong region of Southeast Asia, specifically the Đắk Lắk Province of Vietnam and the Koh Kong and Ratanakiri provinces of Cambodia.

[2] This species was discovered in northeastern Cambodia in the Van Sai Protected Forest.

[4] Walston's bat is one of 126 new species found in the Greater Mekong region during 2011.

[4] These three new tube-nosed bats were discovered by a team from the Hungarian Natural History Museum (HNHM) and Fauna and Flora International (FFI).

[4][8] This bat is small enough to fit in a person's hand, weighing 4.5 and 5.5 grams (0.16 and 0.19 oz).