Cavallari is a surname. Notable people with the surname include:
Alberto Cavallari (1927–1998), Italian journalist and writerAndrea Cavallari (born 1964), composer and visual artistAristide Cavallari (1849–1914), Patriarch of VeniceGiulio Cavallari (born 1992), Italian footballerKristin Cavallari (born 1987), American television personality and actressSimona Cavallari (actress) (born 1971), Italian actressSimona Cavallari (handballer) (born 1992), Swiss women's handball playerFrancesco Saverio Cavallari (1809–1896), architect, professor, painter and archeologistIvan Cavallari (born 1964), artistic ballet director