Antonio María Cascajares y Azara (2 March 1834 – 27 July 1901) was a Spanish Roman Catholic cardinal, archbishop of Valladolid and archbishop-elect of Zaragoza.

He joined the military in 1846 and retired with the rank of captain in 1857, to follow his ecclesiastical studies leading to a licentiate in theology and canon law.

He transferred to the see of Calahorra y La Calzada on 27 March 1884 and was promoted to the metropolitan see of Valladolid on 17 December 1891.

Pope Leo XIII created him cardinal priest in the consistory on 29 November 1895, with the title of Sant'Eusebio.

He was elected archbishop of Zaragoza on 18 April 1901 but he died (before taking possession of the see) on 27 July 1901 in Calahorra.