Santagata is a surname which was derived from Saint Agatha known as Agatha of Sicily. It has origins from Caserta and Naples. Notable people with the surname include:

Giulio Santagata (1949–2024), Italian politician Marco Santagata (1947−2020), Italian academic, writer, and literary critic Sandro Santagata, American physician and academic

Stage name Toni Santagata, stage name of Antonio Morese (1935–2021), Italian folk singer

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