- Source: Sieber (surname)
Sieber is a German surname. Notable people with the surname include:
Al Sieber (1843–1907), German-American chief of scouts
Bodo Sieber (born 1979), German rugby player
Caroline Sieber (born 1982), Austrian fashion stylist
Christoph Sieber (born 1971), Austrian sailor
Christopher Sieber (born 1969), American actor
Ernst Sieber (1927–2018), Swiss pastor and politician
Fiona Sieber (born 2000), German chess master
Franz Sieber (1789–1844), German botanist
Josef Sieber (1900-1962), German film actor
Lothar Sieber (1922–1945), German test pilot