Heliocheilus thomalae is a moth in the Noctuidae family. It is found in Tanzania. This species has a wingspan of 19–20 mm (0.75–0.79 in) and the holotype was caught in Gomba, district of Amani, Tanzania. Gaede named this species after Miss Thomala, preparator at the Berlin Museum für Naturkunde who draw his attention on this species.