Diletta is an Italian female given name. Notable people with the name include:

Diletta Leotta (born 1991), Italian television presenter and radio personality Diletta Rizzo Marin, Italian operatic mezzo-soprano Diletta Carli (born 1996), Italian swimmer Diletta Giampiccolo (born 1974), amateur Italian freestyle wrestler Rosa Diletta Rossi (born 1988), Italian actress

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