Hélène Sardeau (July 7, 1899 – March 23, 1969) was an American sculptor, born in Antwerp, Belgium, who moved with her family to the United States when she was about 14 years old.

[3] In the 1920s, she and he sister, Mathilde, created decorative portrait dolls depicting actors and actresses.

Her first major commission was The Slave (1940), completed as part of the Central Terrace of the Ellen Phillips Samuel Memorial in Philadelphia[3] and exhibited at the Museum of Modern Art before its permanent installation.

[9] In the summer of 1949, she was one of 254 sculptors who exhibited in the 3rd Sculpture International held at the Philadelphia Museum of Art.

[10] In Life magazine's photograph of the International, she is pictured in the second row from the front, fourth from the left.