Euthemis is a genus of plant in the family Ochnaceae. The generic name is from the Greek meaning "good law", referring to the even thickness and symmetry of the leaves.
Euthemis species grow as shrubs. The flowers are white or pink. The fruits form as berries.
Euthemis species grow naturally in Vietnam, Cambodia, Thailand, Peninsular Malaysia and Sumatra, Borneo. Their habitat is kerangas and peat swamp forests from sea-level to 1250m (4,100feet) elevation.
The Plant List recognises 2 accepted species: