Habenaria vatia, commonly known as the curved rein orchid,[2] is a species of orchid, that is endemic Queensland where it is only known from a small number of islands.

[2] Habenaria vatia was first formally described in 2002 by David Jones, but the name was not validly published.

[4][5] The specific epithet (vatia) is a Latin word meaning "bent outward" or "bowlegged".

[6] The curved rein orchid grows with grasses and low shrubs in woodland on Moa Island and other Torres Strait Islands.

[2][5] Habenaria vatia is listed as "vulnerable" under the Queensland Nature Conservation Act 1992.