Kristal is both a given name and a surname. Notable people with the name include:
Given name: Kristal Marshall, American model, actress, beauty queen, and retired professional wrestler Kristal Uzelac, former gymnast Kristal Abazaj, Albanian professional footballer Kristal Tin, Hong Kong singer and former TVB actress
Surname: Hilly Kristal, club owner Marko Kristal (1973–), Estonian football manager and former player Yisrael Kristal (1903–2017), a Polish-Israeli supercentenarian and Holocaust survivor