Lorenzi is a surname. Notable people with the surname include:
Benito Lorenzi (1925–2007), Italian football player
Gianluca de Lorenzi (born 1972), Italian auto racing driver
Giovanni Battista Lorenzi (1721–1807), Italian librettist
Grégory Lorenzi (born 1983), French football player
Harri Lorenzi (born 1949), Brazilian agronomic engineer
Marie-Laure de Lorenzi (born 1961), French professional golfer
Milton Lorenzi Haney (1825 – 1922), regimental chaplain in the United States Army
Paolo Lorenzi (born 1981), Italian professional tennis player
Stefano Lorenzi (born 1977), Italian professional football player
Stoldo Lorenzi (1534 – after 1583), Italian Mannerist sculptor
