The Roman Catholic Diocese of Kaišiadorys (Latin: Kaisiadorensis) is a diocese located in the city of Kaišiadorys in the Ecclesiastical Province of Vilnius in Lithuania.

It was established on 4 April 1926 from the Metropolitan Archdiocese of Vilnius.

(all Roman Rite) Between 1982 and 1991, Kaišiadorys was led by Apostolic Administrators rather than bishops.

This Lithuania-related article is a stub.

You can help Wikipedia by expanding it.This article about a Roman Catholic diocese in Europe is a stub.