Maureen Schwartz (died 29 May 2019) was a Brazilian tennis player Schwartz, who grew up in Ceará and is of Jewish descent, was a three-time winner of the Brazilian national championships during the 1960s.

[1] At the 1963 Pan American Games in São Paulo, Schwartz and Maria Bueno paired together to claim a doubles silver medal, behind America's Darlene Hard and Carole Caldwell.

[2] In 1965 she made her only appearance for the Brazil Federation Cup team, in a World Group quarter-final tie against France in Melbourne.

She was beaten in her singles match by Janine Lieffrig, then teamed up with Maria Bueno in a live doubles rubber, which they lost in three sets to Lieffrig and Françoise Dürr.

This was the first time that Schwartz had ever played on grass.