Alberto Leanizbarrutia (born 1 April 1963 in Elorrio) is a former Spanish cyclist.
He notably participated in 17 Grand Tours and is one of only 35 Riders in the entire history of cycling to have completed the Vuelta a Espana, Giro d'Italia and Tour de France in the same season, which he accomplished in 1991.
In the 1991 Giro he won the Intergiro classification.