Petru Gherghel (born 28 June 1940) is a Romanian prelate of the Catholic Church.

A graduate of the Roman Catholic Theological Institute of Iași, he was ordained to the priesthood in Alba Iulia on 29 June 1965 by Bishop Áron Márton.

[1] On 21 February 1978, Pope Paul VI named him apostolic administrator, with his installation taking place on 4 April.

During the following twelve years, a number of churches were built and parishes opened in the diocese, as well as a new seminary building; nearly 150 priests were ordained, with some of them being sent abroad to study.

[2] On 6 July 2019, Pope Francis accepted his resignation, and appointed Iosif Păuleț [ro] as his successor.