| Type: | Cardinal |
| Honorific-Prefix: | His Eminence |
| Luis Hector Villalba | |
| Cardinal, Archbishop Emeritus of Tucuman | |
| Province: | Tucuman |
| See: | Tucuman |
| Appointed: | 8 July 1999 |
| Ended: | 10 June 2011 |
| Predecessor: | Raul Arsenio Casado |
| Successor: | Alfredo Horacio Zecca |
| Ordination: | 24 September 1960 |
| Consecration: | 22 December 1984 |
| Consecrated By: | Juan Carlos Aramburu |
| Cardinal: | 14 February 2015 |
| Created Cardinal By: | Pope Francis |
| Birth Name: | Luis Hector Villalba |
| Birth Date: | 11 October 1934 |
| Birth Place: | Buenos Aires, Argentina |
| Religion: | Roman Catholic |
| Motto: | Spanish; Castilian: Apostol de Jesucristo (Apostle of Jesus Christ) |
| Coat Of Arms: | Coat of arms of Luis Hector Villalba.svg |
| Luis Hector Villalba | |
| Dipstyle: | His Eminence |
| Offstyle: | Your Eminence |
| Relstyle: | Cardinal |
Luis Héctor Villalba (pronounced as /es/; born 11 October 1934) is an Argentine prelate of the Roman Catholic Church who was the Archbishop of Tucumán from 1999 to 2011. He was an auxiliary bishop of Buenos Aires from 1984 to 1991 and bishop of San Martin from 1991 to 1999.
Luis Héctor Villalba was born on 11 October 1934. He completed his primary and secondary education in Buenos Aires. He entered the Metropolitan Seminary of Buenos Aires (Villa Devoto) in 1952 after earning the title of mercantile peritus in state schools. In 1961, he obtained licentiates in theology and ecclesiastical history at the Pontifical Gregorian University, Rome.[1]
He was ordained a priest on 24 September 1960.
In 1961 he obtained a licentiate in theology and Church history from the Pontifical Gregorian University.
In 1967 he was appointed as prefect of the major seminary and professor in the Faculty of Theology at the Catholic University of Buenos Aires. In 1968 he became the first director of the San José vocational institute, where candidates to the priesthood of the archdiocese prepared for courses in philosophy and theology. From 1969 to 1971 he served as dean of the faculty of theology, and in 1972 he was appointed as parish priest of Santa Rosa da Lima in Buenos Aires.
On 20 October 1984 he was assigned the titular see of Ofena and appointed as auxiliary of Buenos Aires.
On 16 July 1991 he was transferred to the diocese of San Martin.
He served as metropolitan archbishop of Tucumán from 8 July 1999 to 10 June 2011. He was the first deputy president of the Episcopal Conference of Argentina for two consecutive mandates (2005–2008 and 2008–2011), under the presidency of the then-archbishop of Buenos Aires, Cardinal Jorge Mario Bergoglio. Previously he had been president of the Episcopal Commission for Catechesis and a member of the Commission for the Lay Apostolate.[2]
On 4 January 2015, Pope Francis announced that he would make him a cardinal on 14 February.[3] At that ceremony, he was assigned the titular church of San Girolamo a Corviale.[4] On September 4, 2021, Villalba in his role as papal representative presided over the rite of beatification of Fray Mamerto Esquiú.[5]