Marchioni is an Italian surname. Notable people with the surname include:
Ambrogio Marchioni (1911–1995), Italian archbishop and Vatican diplomat Elisabetta Marchioni (or Marchionni; XVIII century), Venetian painter Julián Marchioni (born 1993), Argentine footballer Nicolò Marchioni (or Melchioni; 1662–1752), Italian violin maker based in Bologna Paul Marchioni (born 1955), French footballer Vinicio Marchioni (born 1975), Italian actor
See also Marchione Marchionne