Fittonia gigantea is a species of flowering plant in the family Acanthaceae. It is native to tropical rainforest in Ecuador and Peru.
The perennials reach heights of 60 to 80 centimetres. Fittonia gigantea is evergreen. The simple leaves are opposite, ovate, entire and petiolate, with red veins. Spikes of cream-colored flowers are followed by loculicidal capsules.