While it may be unsettling to see any type of spot on your penis, a mole is normally a benign (noncancerous) spot that is unlikely to cause any.
Moles are growths on the skin that are usually brown or black. Moles can appear anywhere on the skin, alone or in groups.
View an Illustration of Moles and learn more about Skin Problems and Treatments. These lesions include fibrous papule, facial angiofibroma, pearly penile.