Itzhak Katzenelson (Hebrew: יצחק קצנלסון, Yiddish: (יצחק קאַצ(ע)נעלסאָן(זון; also transcribed as Icchak-Lejb Kacenelson, Jizchak Katzenelson; Yitzhok Katznelson) (1 July 1886 – 1 May 1944) was a Polish Jewish teacher, poet and dramatist. He was born in 1886 in Karelichy near Minsk, and was murdered May 1, 1944 in Auschwitz.