Siani (surname)
Siani is an Italian surname. Notable people with the surname include:
- Alessandro Siani, Italian actor, film director, screenwriter and comedian
- Giancarlo Siani, Italian journalist
- Giorgio Siani, Italian footballer
- Mike Siani (American football), American football wide receiver
- Mike Siani (baseball), American baseball outfielder
- Sabrina Siani, Italian actress
- Sammy Siani, American baseball player
- Sébastien Siani, Cameroonian footballer
- Valentino Siani, Italian luthier