Seiffert is a surname. Notable people with the surname include:
Chase Seiffert (born 1991), American professional golfer Günther Seiffert (1937–2020), German racing driver John Seiffert (1905–1965), Australian politician Kurt Seiffert (born 1935), American Olympic champion rower Lisa Seiffert, on the List of Playboy Playmates of 2012 Marjorie Allen Seiffert (1885–1970), American poet Max Seiffert (1868–1948), German musicologist Peter Seiffert (1954–2025), German tenor Rachel Seiffert (born 1971), British novelist
See also Josepha Seyffert, better known as Josepha von Heydeck Seifert, a surname Seyfert (disambiguation) Siefert, a surname