Antoni Pacyfik Dydycz OFMCap (August 24, 1938) is a prelate of the Roman Catholic Church. He served as bishop of Drohiczyn from 1994 to 2014.
Born in Serpelice, Dydycz became a member of the Order of Friars Minor Capuchin. He was ordained to the priesthood on June 29, 1963.
On June 20, 1994, he was appointed bishop of Drohiczyn. Dydycz received his episcopal consecration on the following July 10 from Józef Kowalczyk, nuncio for Poland, with archbishop of Białystok, Stanislaw Szymecki, and archbishop emeritus of Camerino-San Severino Marche, Francesco Gioia, serving as co-consecrators.
On March 29, 2014, his resignation was accepted upon reaching the age of 75 years.
