John Opoku-Agyemang (15 August 1957) is a Ghanaian Catholic prelate who is the bishop of the Roman Catholic Diocese of Konongo-Mampong in Ghana since 21 March 2024. Before that, from 3 March 1995 until he was appointed bishop, he was a priest of the same Catholic diocese. He was appointed bishop on 21 March 2024 by Pope Francis. He was consecrated and installed at Mampong, Ghana on 7 June 2024.
John Opoku-Agyemang was born on 15 August 1957 in Kumawu, Diocese of Konongo-Mampong, Ashanti Region, Ghana. He studied at the Saint Hubert's Minor Seminary in Kumasi from 1971 until 1976 for his O-Level education and from 1977 until 1978 for his A-Level education. He studied philosophy at Saint Peter's Regional Seminary in Cape Coast from 1978 until 1980. He holds a diploma in clinical pastoral education awarded in 1982, by the University of Saint Thomas, Texas, in Houston, Texas, United States. The same university awarded him a Master of Divinity in theology in 1983. His Doctorate in pastoral theology was obtained in 2001, from the University of Saint Thomas, Minnesota in Saint Paul, Minnesota, United States.
On 22 January 1984 he was ordained a Catholic priest for the Archdiocese of Kumasi. When the Diocese of Konongo-Mampong was created on 3 March 1995, he was incardinated in the new diocese. He served as a priest until 21 March 2024.
While a priest, he served in various roles and locations including:
On 21 March 2024, Pope Francis accepted the age-related resignation from pastoral care of the Catholic Diocese of Konongo-Mampong, presented by Bishop Joseph Osei-Bonsu. The Holy Father appointed Reverend Father Monsignor John Opoku-Agyemang, of the clergy of Konongo-Mampong, as the new Local Ordinary at Konongo-Mampong.
He was consecrated bishop and installed at Mampong on 7 Jun 2024 by the hands of Archbishop Henryk Mieczysà Âaw Jagodzià Âski, Titular Archbishop of Limosano assisted by Bishop Joseph Osei-Bonsu, Bishop Emeritus of Konongo-Mampong and Archbishop Gabriel Justice Yaw Anokye, Archbishop of Kumasi.