Tirumala septentrionis, the dark blue tiger,[1][2] is a danaid butterfly found in the Indian subcontinent and Southeast Asia.

[3][4] The species closely resembles Tirumala limniace, but is sufficiently distinct to be easily recognized, even on the wing.

On the underside, this species is generally darker, the apex of the forewing and the whole of the ground colour of the hindwing not being of the conspicuous golden brown that they are in T.

[3][4] The Himalayas from Simla to Sikkim, into Assam, Myanmar, Cambodia and Southeast Asia; Odisha; West Bengal, southern India, the Western Ghats and Nilgiris; Sri Lanka.

It is said by MacKinnon and de Nicéville to feed on Vallaris dichotoma (Journal of the Bombay Natural History Society xi, 1807, p. 212).