Prince Alfonso, Count of Caserta (28 March 1841 – 26 May 1934) was the third son of Ferdinand II of the Two Sicilies and Archduchess Maria Theresa of Austria.
He was pretender to the throne of the Two Sicilies in succession of his older half-brother, Francis II of the Two Sicilies.
He was succeeded by his eldest son, Ferdinand Pius.