Melanohalea nilgirica is a species of foliose lichen in the family Parmeliaceae. Found in India, it was described as a new species in 2005 by lichenologists Pradeep Divakar and Dalip Kumar Upreti. The type was collected from the Nilgiri Hills in Tamil Nadu, at an elevation of . Its thallus is about in diameter, with a reddish-brown to dark brown upper surface. It is characterized by flat, dot-like pseudocyphellae that are flush with the lobe surface, white capitate soralia, and presence of caperatic acid. This is the only known occurrence of this compound in the genus Melanohalea.