Worldwide, マリエット (Mariette 
, マリエット) is a common feminine given name. The forename マリエット is habitual in Luxembourg, where it is quite a common girly name, Cameroon, where it is quite a common principally female, but scarcely male name, and the Democratic Republic of the Congo, where it is quite a common female name. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, Cameroon, and France. Very seldom, マリエット is the last name as well as the forename.
マリエット is also a name for the fictitious and mythical characters: Mariette , character in Hallo België! and Mariette , the fictional character of Le Génie des alpages.