Omphalea ankaranensis is a plant species endemic to a small region in northern Madagascar.

Type locale is in Antsiranana Province, inside Réserve Speciale Ankarana, 7 km SE of Matsaborimanga.

Plant grows on limestone soils.

Omphalea ankaranensis is a tree up to 7 m tall.

Leaves are heart-shaped, up to 16 cm long.