| Honorific-Prefix: | His Excellency |
| Anselmo Alliegro | |
| Office: | President of Cuba |
| Term Start: | 1 January 1959 |
| Term End: | 2 January 1959 |
| Predecessor: | Fulgencio Batista |
| Successor: | Carlos Modesto Piedra |
| Order1: | 3rd |
| Office1: | Prime Minister of Cuba |
| President1: | Fulgencio Batista |
| Term Start1: | 16 March 1944 |
| Term End1: | 10 October 1944 |
| Predecessor1: | Carlos Saladrigas |
| Successor1: | Félix Lancís Sánchez |
| Birth Date: | 16 March 1899 |
| Birth Place: | Yaguajay, Cuba |
| Death Place: | Miami, Florida, U.S. |
| Party: | Liberal Party of Cuba United Action Party Progressive Action Party |
| Alma Mater: | University of Havana |
| Profession: | Lawyer, politician |
| Spouse: | Ana Durán |
| Children: | Anselmo Jr. Rosa Maria Alfredo G. Duran |
Anselmo Alliegro y Milá (March 16, 1899 – November 22, 1961) was a Cuban politician who served as the Interim President of Cuba for one day (1 – 2 January 1959) after the departure of Fulgencio Batista, from the country.
He previously held the position of President of the Senate of Cuba from February 1955 to 1 January 1959.[1] He also served as Prime Minister of Cuba in 1944. He was also Mayor of the town of Baracoa, Representative in the Cuban Congress of 1925, 1940, 1945; Minister of Commerce 1942, Minister of Education, and Minister of Housing.
Alliegro was the son of an Italian, Miguel Alliegro Esculpino and a Spaniard, Donatila Milá. He was married to Ana Durán with whom he had one child, Anselmo Leon Alliegro Jr. He also had a daughter, Rosa Maria "Polita" Alliegro y Sanchez, from his previous marriage to Rosa M. Sanchez and a step-son, Alfredo G. Duran, a product of his wife Anita Duran's first marriage.