Cavallari is a surname. Notable people with the surname include:

• Alberto Cavallari (1927–1998), Italian journalist and writer
• Andrea Cavallari (born 1964), composer and visual artist
• Aristide Cavallari (1849–1914), Patriarch of Venice
• Giulio Cavallari (born 1992), Italian footballer
• Kristin Cavallari (born 1987), American television personality and actress
• Simona Cavallari (actress) (born 1971), Italian actress
• Simona Cavallari (handballer) (born 1992), Swiss women's handball player
• Francesco Saverio Cavallari (1809–1896), architect, professor, painter and archeologist
• Ivan Cavallari (born 1964), artistic ballet director

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