Stef is a common name that can refer to both males and females. It is often a shortened version of names like Stephanie or Stephen. People named Stef may be found in various cultures and regions, and the name has different meanings depending on the origin. In popular culture, Stef can also refer to characters in movies or television shows, such as Stef from the film "The Goonies." This character is known for her adventurous spirit and strong personality, contributing to the film's themes of friendship and bravery.