Adelchis, also spelled Adelgis or Adalgis (Italian: Adelchi, Adelgiso), is a masculine Germanic given name used among the Lombards. It may refer to:

• Adalgis (died 788), son of the king of Italy
• Adelchis of Benevento, reigned as prince 854–78
• Adelchis I of Spoleto, reigned as duke 824–34

• Adelchi (disambiguation)
• Adalgisa (disambiguation)

This page or section lists people that share the same given name.
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