The Diocese of Pinsk (Latin: Pinsken(sis) Latinorum, Belarusian: Пінская) is a Latin Church ecclesiastical territory or diocese in Belarus.

It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Minsk-Mohilev.

Its cathedral is a minor basilica: the Cathedral Basilica of the Assumption of the Virgin Mary, in the episcopal see of Pinsk.

As of 2021[update], it pastorally served 50,825 Catholics (1.8% of 2,780,000 total) on 72,700 km2 in 87 parishes with 52 priests (36 diocesan, 16 religious), 62 lay religious (26 brothers, 36 sisters) and 8 seminarians.

This article about a Roman Catholic diocese in Europe is a stub.