Ignatius Suharyo Hardjoatmodjo (born 9 July 1950) is an Indonesian ecclesiastical prelate of the Catholic Church, who has served as the Archbishop of Jakarta since 29 June 2010, succeeding Cardinal Julius Darmaatmadja, S.J. Prior to this position, Archbishop Suharyo was the Coadjutor Archbishop of Jakarta. He currently also serves as the Military Ordinary of Indonesia. Previously, he held the position of Archbishop of Semarang from 1997 to 2009. He is commonly known as Archbishop Suharyo.

Since 15 November 2012, he has served as President of the Indonesian Bishops' Conference, succeeding Bishop Martinus Dogma Situmorang, OFM.Cap. On 5 October 2019, he was officially appointed by Pope Francis as the rank of cardinal for the Catholic Church in Indonesia. He was the only Indonesian cardinal who participated as a cardinal elector in the 2025 papal conclave following the death of Pope Francis, which ultimately elected Pope Leo XIV.

Ignatius Suharyo Hardjoatmodjo was born on 9 July 1950 in Sedayu, Bantul, Yogyakarta, Indonesia. His father was Florentinus Amir Hardjodisastra, an employee at the Irrigation Service of the Special Region of Yogyakarta. His mother was Theodora Murni Hardjadisastra. He is the seventh of ten siblings. His brothers are Yohanes Subagyo and Suitbertus Ari Sunardi OCSO, and his sisters are Christina Sri Murni FMM and Maria Magdalena Marganingsih PMY. His older brother, Fr. Suitbertus Ari Sunardi, OCSO, is a priest-monk at the Monastery of Santa Maria Rawaseneng in Temanggung Regency, Central Java. Two of his sisters became nuns: Sister Christina Sri Murni, FMM, and Sister Maria Magdalena Marganingsih, PMY. He graduated St. Peter Canisius Minor seminary in Mertoyudan, Central Java in 1968. He completed his undergraduate degree in Philosophy and Theology at Sanata Dharma University, Yogyakarta, in 1971 and doctoral degree in biblical studies from the Pontifical Urban University, Rome, in 1981.

Suharyo began his primary education at Kanisius Elementary School in Gubuk, Sedayu, and in the fourth grade transferred to Tarakanita Elementary School in Bumijo, Yogyakarta. He continued his education at the Minor Seminary in Mertoyudan, Magelang Regency, Central Java, starting in 1961. He completed his secondary education at the Mertoyudan Major Seminary and graduated in 1968. He then pursued higher education at IKIP Sanata Dharma, Yogyakarta, earning a Bachelor of Arts in Philosophy/Theology in 1971 and a full degree in Philosophy/Theology in 1976. He was ordained priest of Archdiocese of Semarang on 26 January 1976.

Even so, Cardinal Justinus Darmojuwono later assigned him to continue his studies in Rome, Italy. He completed his doctoral studies in Biblical Theology at the Pontifical Urban University in Rome in 1981 and received his doctorate in theology in 1981 with his thesis Ecclesiological implications of the Lucan Last Supper narrative.

After returning to his homeland, Suharyo Hardjoatmodjo was involved in priestly formation at the seminary in Yogyakarta. From 1981 to 1991, he also taught catechetics at the Pradnyawidya Catechetical Philosophy College in Yogyakarta. Between 1983 and 1993, he headed the Department of Philosophy and Sociology at Sanata Dharma University in Yogyakarta, before becoming Dean of its Faculty of Theology in 1993. Starting in 1989, he additionally served as Professor of New Testament Studies at the Wedabhakti Faculty of Theology in Yogyakarta, and from 1994 to 1996 also lectured at Duta Wacana Christian University in Yogyakarta and Parahyangan Catholic University in Bandung. Furthermore, from 1996 to 1997, Suharyo Hardjoatmodjo was Director of the postgraduate program at Sanata Dharma University and in 1997 served as Chairman of the Driyarkara Foundation Consortium. He was also a member of the Biblical Commission of the Archdiocese of Semarang and headed the Brotherhood of Praja Priests.

Pope John Paul II appointed him Archbishop of Semarang on 21 April 1997. He received his episcopal consecration on 22 August of the same year at Jatidiri Stadium in Semarang from the Archbishop of Jakarta, Julius Riyadi Cardinal Darmaatmadja, S.J.; the co-consecrators were the Apostolic Nuncio to Indonesia, Archbishop Pietro Sambi, and the Bishop of Ketapang, Blasius Pujaraharja. He chose as his episcopal motto Serviens Domino cum omni humilitate ("Serving the Lord with all humility") from Acts 20:19. While in that post, he served as secretary general of the Bishops' Conference of Indonesia, and a member of the Office of Ecumenical and Interreligious Affairs of the Federation of Asian Bishops' Conferences.

In addition, from 1997 to 2000, he chaired the Commission for Interreligious Dialogue of the Indonesian Bishops' Conference (KWI). From 2000 to 2006, Suharyo was elected Secretary-General of the Indonesian Bishops' Conference for a three-year term until 2003, during which Cardinal Julius served as President of the Presidium.On 8 November 2003, Suharyo was re-elected to the same position, with Cardinal Julius once again serving as President of the Presidium. He was also a member of the Commission for Ecumenism and Interreligious Dialogue of the Federation of Asian Bishops' Conferences (FABC) from 2000 to 2006. Suharyo also served as Professor of Theology at Sanata Dharma University Beginning in May 2004.