Here are a list of the Spanish-speaking nations that have won a medal so far at the 2012 Olympic Games:

28 julio - Colombia's Rigoberto Urán won a silver medal for Cycling in the men's road race.
29 julio - Cuba's Yanet Bermoy won a silver medal for Judo in the women's weight class of 52 kg.
30 julio - Colombia's Óscar Figueroa won a silver medal for Weightlifting in the men's weight class of 62 kg; Mexico's Iván García and Germán Sánchez won silver medals for Diving in men's synchronized diving, 10m platform.
31 julio - Mexico's Paola Espinosa and Alejandra Orozco won silver medals for Diving in women's synchronized diving, 10m platform.