Siorpaes is an Italian surname. Notable people with the surname include:
Gildo Siorpaes (born 1938), Italian bobsledder Giovanni Siorpaes (1869–1909), Italian mountaineer Patrizia Siorpaes, Italian alpine skier Santo Siorpaes (1832–1900), Italian mountaineer Sergio Siorpaes (born 1934), Italian bobsledder Wendy Siorpaes (born 1985), Italian alpine skier
See also Torre Siorpaes, a summit in northern Italy