Family name Winis (Winis 
, วินิส ) , in the world, is a rare last name. The family name Winis is habitual in Papua New Guinea, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Honduras. Measured by absolute frequency, it is the most numerous in Papua New Guinea, Indonesia, and Nigeria. Likewise, Winis is the forename as well as the last name.