Juliusz Paetz (2 February 1935 – 15 November 2019) was a Polish bishop of the Catholic Church. He was the Bishop of Łomża from 1982 to 1996 and as the Archbishop of Poznań from 1996 to 2002. He resigned because of sexual harassment allegations. After 2002, he was archbishop emeritus of Poznań. He was born in Poznań, Poland.
Paetz died on 15 November 2019 in Pleszew, Poland at the age of 84.