Zassenhaus

Zassenhaus is a German surname. Notable people with the surname include:


 * Hans Zassenhaus (1912–1991), German mathematician
 * Zassenhaus algorithm
 * Zassenhaus group
 * Zassenhaus lemma
 * Hiltgunt Zassenhaus (1916–2004), German philologist who aided Scandinavian prisoners during World War II, sister of Hans Zassenhaus