| Nickname: | "Jackal of the East" |
| Birth Date: | 12 October 1914 |
| Birth Place: | Vueltas, Las Villas, Cuba |
| Death Date: | 26 April 1978 (aged 63) |
| Death Place: | Miami, United States |
| Allegiance: | Republic of Cuba |
| Branch: | Cuban Constitutional Army |
| Serviceyears: | 1933–1958 |
| Rank: | Brigadier General (1957) |
| Commands: | Chief of Regiment No.1 Antonio Maceo (Oriente province) (1952) Chief of the Army in the Oriente province (1952) Chief of the Army in the Las Villas province (1958) |
| Battles: | |
| Awards: | Cruz Maceo |
| Spouse: | Daisy Collado |
Alberto Roberto del Rio Chaviano was a Cuban brigadier general who served on the side of, and during Fulgencio Batista's dictatorship of Cuba (1952–1958). He studied high school at the Instituto de Santa Clara. In November 1933, he entered the Cuban National Army as a soldier. After Batista’s coup on March 10, 1952, he was promoted from captain to colonel. He was the chief colonel of the Moncada Barracks when Fidel Castro and his group attacked the barracks on July 26, 1953. He had an essential role to play in the military during Operation Verano. He played an important role in the defense of the Batista regime during the Cuban Revolution. During the dictatorship of Batista, he was put in charge of the Cuban Army in the region of Oriente in which Raúl Castro's guerrilla unit operated, and later in the Las Villas province[1] Batista ordered his arrest for treason and he fled to the Dominican Republic on December 27, 1958. In that country he had a cattle ranch that was expropriated by the Dominican dictator Trujillo, and emigrated to the United States where he was a Spanish teacher. In 1963, he lived in Texas. He died of marrow cancer in the United States in 1978.