| Jurisdiction: | Diocese |
| Legnica | |
| Latin: | Dioecesis Legnicensis |
| Local: | Diecezja Legnicka |
| Country: |  Poland |
| Province: | Wrocław |
| Metropolitan: | Wrocław |
| Rite: | Latin Rite |
| Established: | 25 March 1992 |
| Cathedral: | Katedra św. Apostołów Piotra i Pawła (Cathedral of Sts. Peter and Paul) |
| Area Km2: | 7,100 |
| Population: | 839,700 |
| Population As Of: | 2019 |
| Catholics: | 816,100 |
| Catholics Percent: | 97.2 |
| Bishop: | Andrzej Siemieniewski |
| Metro Archbishop: | Józef Kupny |
| Auxiliary Bishops: | Piotr Wawrzynek |
| Emeritus Bishops: | Stefan Cichy Zbigniew Kiernikowski |
| Website: | Website of the Diocese |
| Denomination: | Catholic Church |
The Diocese of Legnica (Latin: Dioecesis Legnicensis) is a Latin Church diocese of the Catholic Church located in the city of Legnica in the ecclesiastical province of Wrocław in Poland. According to the Catholic Church statistics 30.1% of the population attended a church every Sunday and holy obligation day or more often in 2013.