The large Asian roundleaf bat (Hipposideros lekaguli) is a species of bat in the family Hipposideridae.

The specific name commemorates Thai zoologist and conservationist Boonsong Lekagul.

The holotype had been collected in the Kaeng Khoi District of Thailand in 1972 by Boonsong Lekagul.

Its nose-leaf is complexly foliated with intermediate, anterior, and posterior leaflets.

[1] The large Asian roundleaf bat is listed as a near-threatened species by the IUCN as of 2019.