Zanardi is a surname. Notable people with the surname include:
Alberta Zanardi (born 1940), Italian sprint canoer Alex Zanardi (1966–2026), Italian racing driver and paracyclist Caio Zanardi (born 1973), Brazilian football manager, brother of Márcio Gentile Zanardi (late 17th century), Italian painter Giovanni Zanardi (1700–1769), Italian painter Márcio Zanardi (born 1978), Brazilian football manager Silvia Zanardi (born 2000), Italian professional racing cyclist