Roberta Silva Ratzke (Brazilian Portuguese: [ʁoˈbɛɾtɐ ˈsiwvɐ ˈʁatski];[1] born 28 April 1990) is a Brazilian volleyball player.

She is part of the Brazil women's national volleyball team.

[2] She competed at the 2020 Summer Olympics, in the Women's tournament, winning a silver medal.

[3] With her club Rio de Janeiro, Ratzke competed at the FIVB Volleyball Women's Club World Championship in 2013, 2015 and 2016.

This biographical article relating to volleyball in Brazil is a stub.