Neobathiea grandidierana is a species of orchid from Madagascar and the Comoros.

It is named after the French naturalist Alfred Grandidier, who devoted his life to the study of Madagascar.

[2] The habitat of this species is humid forest on west-faching slopes at the elevation range of 1000-1650m.

[2] In nature, the flowering season of this species is spring to early summer.

[1] The long-spurred Neobathiea grandidierana from Madagascar is pollinated by a long-tongued sphinginid hawkmoth Panogena lingens with the pollinaria deposited on the basal part of the proboscis of the moth.