von Siebold is a German surname:
Karl Kaspar von Siebold (1736–1807), surgeon
Regina von Siebold (1771–1849), obstetrician
Adam Elias von Siebold (1775–1828), medical doctor
Charlotte von Siebold (1788–1859), gynaecologist
Philipp Franz von Siebold (1796–1866), German physician, significant for his study of Japanese flora and fauna
Eduard Caspar Jacob von Siebold (1801–1861), medical doctor
Karl Theodor Ernst von Siebold (1804–1885), German physiologist and zoologist
Alexander von Siebold (1846–1911) was a German translator and interpreter active in Japan
Heinrich von Siebold (1852–1908), German diplomat and anthropologist
Percival Alfred Siebold
Peter Siebold (born 1971), American commercial astronaut