Dika Loa Toua (born 23 June 1984) is a Papua New Guinean weightlifter. She was the first woman ever to lift weight at the Olympic Games, competing in the 48kg category at the Sydney Olympics in 2000. She finished sixth in the women\s 53 kg weight class at the 2004 Summer Olympics, lifting a total of 177.5 kg. She was her country\s flag-bearer at the 2004 Games. In 2006 she won the silver medal in the same weight class at the 2006 Commonwealth Games. At the 2007 Pacific Games, she won gold in the 53 kg class, setting a new Games record. She also won the gold medal in the 53 kg category at the 2008 Oceania Weightlifting Championships, with a total of 190 kg. Toua qualified to compete for Papua New Guinea in the women\s 53kg event at the 2008 Summer Olympics in Beijing. There she ranked 8th with a total of 184 kg.
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