| Honorific-Prefix: | His Excellency |
| Anselmo Alliegro | |
| Office: | President of Cuba |
| Term Start: | 1 January 1959 |
| Term End: | 1 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 a few hours on January 1, 1959 after the departure of Fulgencio Batista from the country.
He previously held the position of President of the Senate of Cuba from 28 January 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.