Maria de Lourdes Mazzoleni Portela (born 14 January 1988) is a Brazilian middleweight judoka.

She won bronze medals at the 2011 and 2015 Pan American Games, and competed at the 2012 and 2016 Olympics.

[3] At the 2016 Games, she beat Assmaa Niang in the first round, before losing to Bernadette Graf in the second.

[4] In 2020, she won the gold medal in the women's 70 kg event at the 2020 Pan American Judo Championships held in Guadalajara, Mexico.

[6] She competed in the women's 70 kg event,[7] being controversially eliminated in the second round against Madina Taimazova, in a ten-minute golden score overtime where one hit that would have given Portela a win was dismissed by the referees,[8] and also was part of the mixed team competition.