Mary Rozet Smith (December 23, 1868 – February 22, 1934) was a Chicago-born US philanthropist who was one of the trustees and benefactors of Hull House.

Around the same time, Eleanor Sophia Smith (no relation) also joined Hull House and the women began collaborating on the development of a music school.

[6] In 1902, she donated a Hook and Hastings pipe organ in honor of her mother to Hull House for the music school.

[14] They proceeded on to Moscow and met Tolstoy,[15] traveled through southern Russia, ventured into Poland, and visited Germany before returning to Chicago.

Addams was considered too ill to descend the stairs to attend Smith's memorial service, which she could hear from her second-floor room.