Polyscias flynnii (known by the common names Flynn's 'ohe and ohe ohe) is a plant species endemic to the island of Kauai in Hawaii. It is rare, found only in one population covering about 1 km2 in the Kalalau Valley. It is regarded as threatened. It is threatened by feral goats and non-native plant species in its habitat. It was federally listed as an endangered species of the United States in 2010. This plant was first discovered in 1988 and described to science as a new species in 2000. There are only five individuals known to exist.