Ice is a Polish novel written in 2007 by the Polish science fiction writer Jacek Dukaj, published in Poland by Wydawnictwo Literackie. The novel mixes alternate history with science fiction elements, in particular, with alternative physics and logic. It won the Janusz A. Zajdel Award, European Union Prize for Literature and Kościelski Award.

Jacek Józef Dukaj is a Polish science fiction and fantasy writer. His fiction explores such themes as alternate history, alternative physics and logic, human nature, religion, the relationship between science and power, technological singularity, artificial intelligence, and transhumanism. He is regarded among the most popular Polish contemporary science fiction authors.