In all the world, Gustine (Gustine 
, 古斯坦) is a rare principally feminine, but very infrequently boy's given name. The first name Gustine is habitual in Israel, where it is a rare epicene name, the Democratic Republic of the Congo, where it is a rare female name, and Indonesia, where it is a very rare girly name. In absolute terms, it is commonest in the Democratic Republic of the Congo, Indonesia, and the United States. Also, Gustine is the last name as well as the forename.