Guidi is an Italian surname shared by several notable people:
Domenico Guidi (1625–1701), Italian sculptor
Carlo Alessandro Guidi (1650–1712), Italian lyric poet
Ignazio Guidi (1844–1935), Italian orientalist
Guido Buffarini Guidi (1895–1945), Italian politician active during the Second World War
Juan Héctor Guidi (1930–1973), Argentine footballer
Peter Guidi (born 1949), American jazz musician
Fabrizio Guidi (born 1972), Italian cyclist
Guido Guidi (fl. 20th century), Italian comic book artist and penciller
Emanuele Guidi (born 1969), Sammarinese archer
