William Church Osborn (1862 – January 3, 1951), was the son of a prominent New York family who served in a variety of civic roles including president of the Metropolitan Museum of Art, president of the Children's Aid Society, and president of the New York Society for the Relief of the Ruptured and Orphaned.
He was born in 1862 to philanthropist William Henry Osborn and he had a brother, Henry Fairfield Osborn. He trained to be a lawyer but mostly served in philanthropic positions during his career. He died in 1951.
There is a playground in Manhattan, the Osborn Memorial Playground, named in his memory.