Rattazzi is a surname, and may refer to the following people:
- Priscilla Rattazzi, Italian photographer
- Riccardo Rattazzi, Italian theoretical physicist
- Steven Rattazzi, American actor
- John (JP) Rattazzi, Good Vibes American
- Susanna Agnelli Rattazzi (1922–2009), Italian politician (also known as the Countess Rattazzi)
- Urbano Rattazzi (1808–1873), Italian statesman
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