Azja (also Azja, son of Tuhaj-Bej) is a fictional character in the novel Fire in the Steppe by Henryk Sienkiewicz. He is an antagonist and the rival of Michal Wolodyjowski. He's a Tatar who wants to kidnap Barbara Jeziorkowska, settle some Crimean Tatars on the uninhabited regions of Ukraine to protect Poland's borders (like Zaporozhian Cossacks) and become a "Tatar hetman" in the service of Polish Crown.

Azja ( Asia) –  część świata, razem z Europą tworząca Eurazję, największy kontynent na Ziemi.