Jan Chryzostom Zachariasiewicz (Polish pronunciation: [ˈjan xrɨˈzɔstɔm zaxarjaˈɕɛvit͡ʂ]; 1823–1906; Zacharyasiewicz, Zacharjasiewicz) was a Polish novelist and journalist.

Co-editor of Tygodnik Polski, where he published poem Machabeusze.

For publishing this work and also for participation in Revolutions of 1848, Zachariasiewicz was later imprisoned in Theresienstadt fortress for two years.

He was a nephew or grandnephew of the bishop Franciszek Zachariasiewicz (1770–1845).

This article about a Polish writer or poet is a stub.