Lachana ladakensis is a species of moth of the family Lymantriidae. It is found in northern India (Kashmir) in the Ladak mountain range. The wingspan is about 24 mm. The head, thorax, and abdomen are densely pilose, with long silky brown and brownish grey hairs. The forewings are triangular, brown ochreous with dark brown bands. The basal area is sepia-brown, covered with dark brown scales and outlined by a dark band. The hindwings are widely triangular, dark brown with an indistinct dark marginal band and with a lighter medial area.