From Latin "regina" (queen) or Germanic "ragin" (counsel), used as a masculine form in medieval Europe.
Regino derives from the Latin *regina*, meaning queen, or more likely from the Germanic element *ragin*, meaning advice or counsel — the same root that underlies Reginald, Regina, and Reynold. In the Frankish and Carolingian naming tradition, *ragin*-compound names were prestigious, associated with wisdom and legitimate authority, and they spread across Western Europe with the expansion of the Frankish empire. In Spanish and Italian-speaking worlds, Regino emerged as a masculine given name drawing on both the Latin royal associations and the broader Romance affection for names ending in *-ino*, the diminutive suffix that adds a quality of intimacy or affection.
The name's most significant medieval bearer is Regino of Prüm, the ninth and tenth-century Benedictine abbot and scholar who produced two works of lasting importance: a chronicle of Frankish history and a canonical collection on ecclesiastical discipline that influenced church law for generations. His treatise on music theory also shaped medieval understanding of plainchant. Through this single figure, Regino becomes associated with the preservation of Carolingian civilization at its most vulnerable — the era of Viking raids, political fragmentation, and cultural anxiety.
In contemporary use, Regino remains primarily found in Spanish-speaking communities in Latin America and the United States, where it carries a dignified, slightly formal register — more commonly encountered as a grandparent's name than a child's. That very quality makes it interesting now, as parents rediscover vintage Spanish names with genuine historical depth. Regino offers centuries of royal and scholarly association in a package that sounds both ancient and, in the right moment, freshly discovered.