|Cardinal, Archbishop emeritus of Genoa|
|Appointed||6 July 1987|
|Term ended||20 April 1995|
|Other post(s)||Cardinal-Priest of Sant’Andrea della Valle|
|Ordination||12 April 1941|
by Luigi Traglia
|Consecration||30 July 1961|
by Luigi Traglia
|Created cardinal||28 June 1988|
by Pope John Paul II
|Birth name||Giovanni Canestri|
|Born||30 September 1918|
Castelspina, Piedmont, Kingdom of Italy
|Died||29 April 2015 (aged 96)|
|Motto||Opus Tuum Nos O Maria|
|Coat of arms|
|Reference style||His Eminence|
|Spoken style||Your Eminence|
Canestri studied at the Minor Seminary of Alessandria from 1929 (secondary studies); then, at the Episcopal Seminary of Alessandria, where he obtained the maturità classica. In 1937, he went to Rome to study at the Pontifical Roman Seminary, Rome. Concurrently he studied at the Pontifical Lateran University, Rome, where he obtained a licentiate in theology; and later, a doctorate in utroque iure, both canon law and civil law; and at the Rome State University, where he earned a doctorate in letters. In August 1959 he was nominated spiritual director of the Pontifical Roman Seminary and was member of the commission for the first diocesan synod of Rome. He also served as Apostolic examiner of the clergy.
On 8 July 1961 he was named Titular Bishop of Tenedo, and auxiliary of the Cardinal vicar of Rome. He participated in the general congregations of Vatican II on the themes of ecumenism and religious liberty.
On 7 January 1971 he was transferred to the see of Tortona. On 8 February 1975 he was transferred to the titular see of Monterano, with personal title of archbishop, and appointed vicegerent of the Diocese of Rome. During this time he was dedicated to the growth and development of the community, defending the values of the human person, especially the value of life.
He became Archbishop Emeritus of Genoa on 20 April 1995.
Cardinal Canestri died on 29 April 2015. His Funeral Mass was celebrated on Sunday, 2 May 2015, at 8:30 AM, by Angelo Cardinal Sodano, the incumbent Dean of the College of Cardinals, together with other prelates and other Cardinals; Pope Francis presided at the rites of Final Commendation and Valediction. He is buried in the Cathedral of Genoa.