Damon medius is a species of arachnid of the family Phrynichidae.

This strictly arboreal and nocturnal whip spider has a flat body and fragile legs, by which it moves sideways like a crab.

In males the front legs are very long and antenniform, much longer than in the females.

It has two large, spiny pedipalps, which are larger in the male than the female.

This species can be found in West Africa, in Benin, Ghana, Guinea, Ivory Coast, Cameroon, Liberia, Mali, Nigeria, São Tomé and Príncipe, Senegal, Sierra Leone and Togo.