Pupa (Puppa) is the name of a Hasidic dynasty. The dynasty is named after the town of its origin (according to the Yiddish name), also known in Hungarian as Pápa. Before World War II, Puppa had an important yeshiva headed by Rabbi Yakov Yecheskia Grunwald of blessed memory know for his work published as “Veyaged Ya’akov” and then by his son the late Rabbi Yoseph Grunwald of blessed memory know as the Ba’al Vaychi Yoseph. Pupa yeshiva produced many well-known Orthodox rabbis in Hungary. The whole community was deported to Auschwitz and only a very few individuals came back. Currently there are 2 or 3 Jews left in Puppa.
The group is based in the Williamsburg section of Brooklyn, New York, with branches in Boro Park section of Brooklyn, Monsey, New York, a Yeshiva Gedolah (Rabbinical Seminary) in the town of Ossining in northern Westchester country, New York, and followers all the world including London and Israel. It is headed by the current Pupa Rebbe Grand Rabbi Yaakov Chizkiah Greenwald of Pupa – present Rebbe of Pupa – son of the Vayechi Yosef.