Walewska Moreira de Oliveira (born 1 October 1979 in Belo Horizonte) is a female volleyball player who has competed for Brazil in three consecutive Summer Olympics, starting in 2000.
She won a bronze medal with the women's national team in Sydney, Australia, and a gold medal in the 2008 Olympics in Beijing.
Walewska also claimed the gold medal at the 1999 Pan American Games.