Gnocchi is an Italian surname. Notable people with the surname include:
Carlo Gnocchi (1902–1956), Italian priest, educator and writer
Gene Gnocchi (born 1955), Italian television presenter, comedian and footballer
Giovanni Pietro Gnocchi, Italian painter, active during the late 16th-century in Lombardy in a late-Renaissance or Mannerist styles
Luigi Gnocchi (1933–2014), Italian sprinter
Osvaldo Gnocchi-Viani (1837–1917), Italian journalist
Pietro Gnocchi (1689–1775), Italian composer, choir director, historian, and geographer of the late Baroque era