Calamaria alidae, commonly known as the Bengkulu reed snake, is a species of snakes in the family Colubridae.

The specific name, alidae, is in honor of Alida Brooks who collected natural history specimens in Sumatra with her husband Cecil Joslin Brooks.

[2] C. alidae is endemic to western Sumatra in Indonesia.

[3] The preferred natural habitat of C. alidae is forest, at an altitude of 100 m (330 ft).

[1] According to Boulenger (1920), the holotype of C. alidae measures 220 mm (8.7 in) in total length, including the tail which is 20 mm (0.8 in) long.