Seyfarth

Seyfarth is a German language surname that stems from the male given name Siegfried. Notable people with the name include:


 * Alex Seyfarth (born 1999), Australian professional rugby league footballer
 * Andreas Seyfarth (born 1962), German-style board game designer
 * Juliane Seyfarth (born 1990), German ski jumper
 * Jürgen Seyfarth (fl. 1981–1983), German rower
 * Robert Seyfarth (scientist) (born 1948), American primatologist and author
 * Robert Seyfarth (1878–1950), American architect