| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| Jan Wieczorek | |
| Bishop Emeritus of Gliwice | |
| Metropolis: | Katowice |
| Appointed: | 25 March 1992 |
| Term End: | 29 December 2011 |
| Predecessor: | First |
| Successor: | Jan Kopiec |
| Previous Post: | Auxiliary Bishop of Opole and Titular Bishop of Thimida Regia (1981–1992) |
| Ordination: | 22 June 1958 |
| Ordained By: | Franciszek Jop |
| Consecration: | 16 August 1981 |
| Consecrated By: | Alfons Nossol |
| Birth Date: | 1935 2, df=yes |
| Birth Place: | Bodzanowice, Poland |
Jan Wieczorek (8 February 1935 – 13 September 2023) was a Polish Roman Catholic prelate. He was auxiliary bishop of Opole from 1981 to 1992 and bishop of Gliwice from 1992 to 2011.[1] [2]