Koidanov (Yiddish: קאידנאוו) is a Hasidic dynasty originating from the city of Dzyarzhynsk (Koidanov), Belarus, where it was founded by (1797 - 1862) in 1833. Koidanov is a branch of both Lechovitch Hasidism and Karlin-Stolin Hasidism as Rabbi Shlomo Chaim Perlow was the paternal grandson of and the maternal grandson of . Koidanov was the smallest of the three Lithuanian Hasidic dynasties (Slonim and Karlin-Stolin), with most of its Hasidim being murdered in the Holocaust. The dynasty was re-established after the war in Tel Aviv, then moved to Bnei Brak, where the majority of the dynasty is located, but there are Chassidim located around the world.