It is found in Java, New Caledonia and eastern Australia including Norfolk Island.

[2][3][4] Oberonia titania was first formally described in 1859 by John Lindley who published the description in Folia Orchidaceae.

[5][6] The soldier's crest orchid grows on trees in rainforest and moist gullies in Java, New Caledonia, New South Wales including Norfolk Island and in Queensland.

[1][7] This orchid is classed as "vulnerable" under the New South Wales Government Biodiversity Conservation Act 2016.

The main threats to the species are habitat degradation and loss, and illegal collecting.