Ernesto Martínez Hernández (20 November 1951 – 7 January 2007), more commonly known as Ernesto Martínez, was a Cuban volleyball player who competed in the 1972, 1976, and 1980 Summer Olympics.

[2] In 1972, Martínez was part of the Cuban team that finished tenth in the Olympic tournament in Munich.

[3] Four years later, Martínez won the bronze medal with the Cuban team in the 1976 Olympic tournament in Montreal.

[3] In 1978, Martínez won the bronze medal with the Cuban team at the 1978 FIVB World Championship in Italy.

[1] At the 1980 Games, Martínez was a member of the Cuban team that finished seventh in the Olympic tournament in Moscow.