Andrés Hammersley Núñez (c. 1917-10 January 2002) was a Chilean tennis player. He is considered as one of the main referents of the tennis of his country in the 1940s and 1950s. Hammersley was nicknamed «the Huaso».
He was son of the athlete Rodolfo Hammersley and Lucía Núñez, and brother of the skier Arturo Hammersley. Simultaneously to his tennis career, he studied contactology in Germany, being one of the first Chilean specialists in this area.
In 1941 he won his first Tennis Chilean championship, which repeated consecutively until 1946. Also he was runner-up in the Argentinian championship in 1945, and wi the South American championship in 1943 and 1946.
He was the first Chilean to participate in the international tournament of Forest Hills —current US Open— in 1945, and the following year he was invited to the Wimbledon Championship, where after being defeated by Dinny Pails, he suffered a mental confusion that dropped him out of tracks until 1948. He returned to Wimbledon in 1954, participating in all the versions of the tournament until 1958.
He was part of the Chilean team of Davis Cup between 1954 and 1957, being nominated in eight opportunities, and he played in the semifinal of the 1955 European zone against Sweden. He won 10 Davis Cup matches and lost 13.
- Cavalla, Mario (2006). "Entre la depresión y la guerra. 1929-1949". Historia del tenis en Chile, 1882-2006 (in Spanish). Ocho Libros Editores. pp. 47–69. Retrieved 2016-05-30.
- "The Fourth: Until always, Andrés [01/13/2002]". Archived from the original on 2016-03-04. Retrieved 2016-05-30.