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Around the world, Regin (Regin , Rauno , 雷金 ) is quite a rare epicene given name. The first name Regin is characteristic of Estonia, where it is quite a rare male name, Finland, and Israel, where it is quite a rare female name. In absolute terms, it is commonest in Philippines, Finland, and Israel. Much less frequently, Regin is the last name as well as the forename.
Regin is also a name for the fictitious and mythical characters: Réjean Pinard , character in La Petite Vie.