Slavyatsissky (Slawjatzissky) Haim Itzhak (born 1875, Krokėnai, Ponevezhsky Uyezd, Kovno Governorate, now Lithuania) - ritual slaughterer (shochet).

From 1890 to 1898, Haim Itzhak Slavyatsissky studied at the Kovno Yeshiva in Kaunas and at a school for ritual slaughterers. He was certified by rabbis from Kovno, Mitava (now Jelgava), and Riga. In 1910, he became the official shochet of the Tukums rabbinate.