Lardi is a surname. Notable people with the surname include:
Federico Lardi (born 1985), Swiss ice hockey defenceman Kathrin Lardi (born 1942), Swiss athlete Piero Lardi Ferrari (born 1945), Italian billionaire businessman and sport personality Theresa Lardi Awuni (born 1979), Ghanaian politician Ursina Lardi (born 1970), Swiss actress