Blanca Margarita Ovelar de Duarte (born September 2, 1957) is a Paraguayan politician and former Minister of Education. She was the Colorado Party's nominee for president in the April 2008 presidential election, in which she was defeated. Not only would Ovelar have been Paraguay's first female president if elected, but she was the first woman to run for president. Opposition candidate Fernando Lugo won the election, held on April 20, 2008, thereby ousting the Colorado Party after 61 years of continuous rule. Ovelar conceded the race to Lugo at about 9 PM local time on election night.