Rabbi Shlomo Zev Zweigenhaft (he: הרב שלמה זאב צווייגענהאפט) was Rosh Hashochtim of Poland prior to the Holocaust. After the Holocaust, he was Chief Rabbi of Hannover and Lower Saxony. After emigrating to the United States he was a Rav Hamachshir and world-renowned for his expertise in all matters related to shechita and was described as the "foremost authority on shechita".