Cornelia \c(o)-rne-lia, cor-nelia\ as a girl's name is pronounced kor-NEEL-yah. It is of Latin origin, and the meaning of Cornelia is "horn". Feminine form of the Roman family name Cornelius. It was borne in the second century BC by the mother of revolutionary reformers Tiberius and Gaius.

Cornelia has 22 variant forms: Cornalia, Corneelija, Cornela, Cornelija, Cornelya, Corelie, Cornella, Cornelle, Cornie, Korneelia, Korneelya, Kornelia, Kornelija, Kornelya, Neel, Neely, Nela, Nelia, Nell, Nella, Nellie and Nelly.

For more information, see also the related name Carna.

Baby names that sound like Cornelia are Carnyella, Carniella and Carniela.