Celestyn

Celestyn may refer to:


 * Celestyn Chołodecki (1816–1867), Polish member of the szlachta (noble) family of Chołodecki
 * Celestyn Czaplic (1723–1804), Polish–Lithuanian szlachcic, politician, writer and a poet
 * Krzysztof Celestyn Mrongovius (1764–1855), Protestant pastor, writer, philosopher, linguist and translator
 * Celestyn Myślenta (1588–1653), Polish Lutheran theologian and rector of the University of Königsberg