Lecanopteris carnosa is a species of tropical fern in the genus Lecanopteris native to Borneo, Malaysia, the Philippines, Sumatra, and Sulawesi. An epiphyte, its thick, fleshy rhizome forms hollow spaces up to 15 cm (6 in) thick that act shelter for ants, making this a myrmecophyte as well as a succulent similar to others in this genus.