Atenulf (Italian: Atenolfo or Atinolfo) is a masculine given name. It may refer to:

• Atenulf I of Benevento (r. 899–910)
• Atenulf II of Benevento (r. 910–940)
• Atenulf III of Benevento (r. 933–943)
• Atenulf I of Gaeta (r. 1045–1062)
• Atenulf II of Gaeta (r. 1062–1064)
• Atenulf (abbot of Montecassino) (r. 1011–1022)
• Atenulf, brother of Pandulf III of Benevento (fl. 1040–1042)
• Atinolfo, bishop of Fiesole (r. 1038–1057)

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