'''Siefert''' is a surname. Notable people with the surname include:
* Annemarie Gethmann-Siefert (born 1945), professor of philosophy at the University of Hagen, Germany * Janet Siefert, origin of life researcher * Louisa Siefert (1845–1877), French poet * Paul Siefert, (1586–1666), German composer and organist * Silvia Siefert (born 1953), former East German Olympic handball medalist
==See also== *Seifert *Seyfert (disambiguation)
{{surname}} Category:Surnames derived from given names