Lázaro Martínez Santrayll (born 3 November 1997) is a Cuban athlete who specialises in the triple jump and the long jump. He is a former World Junior Championship record holder for the triple jump with an attempt of 17.13 m jumped at the 2014 edition in Eugene, Oregon, and also holds the former world youth best in the triple jump, with an attempt of 17.24 m jumped in Havana.