Catalina Diaz Vilchis (born 30 April 1964, Mexico City), a Mexican player, specialized in Powerlifting. She won the bronze medal at the 2016 Summer Paralympics held in Rio de Janeiro. She also participated in the 2004 Summer Olympics in Athens.
Catalina started practicing weightlifting when she was 21 years old within the Sistema Nacional para el Desarrollo Integral de la Familia in Mexico city. her disability was caused by Poliomyelitis. Catalina was inspired by Eduardo Nájera, Michael Jordan and Ana Gabriela Guevara.
At the 2016 summer Paralympic games, held in Rio de Janeiro, she managed to lift 117 kg in the 86 kg category, enough to earn the bronze medal by one kilogram. While in Athens 2004, she won the Bronze medal; she lift 110 kg in the 67.5 kg category.