Gonystylus othmanii is a tree in the family Thymelaeaceae.
Gonystylus othmanii grows as a tree up to 10m (30feet) tall, with a trunk diameter of up to 20cm (10inches). The bark is greyish brown. The fruit is brown, up to 5.5cm (02.2inches) long.
Gonystylus othmanii is endemic to Borneo where it is known only from Sarawak. Its habitat is lowland mixed dipterocarp forest or kerangas forest, at altitudes of NaNm (-2,147,483,648feet).