Elizabeth Ross Haynes (1883–1953) was an African American social worker, sociologist, and author.

She wrote the book Unsung Heroes about African Americans and their achievements.

In 1908 she became the first black national secretary of the Young Women's Christian Association (YWCA).

She wrote the 1921 book Unsung Heroes which details African-American lives and achievements.

[2] Haynes pursued her master's degree at Columbia University where her thesis was "Two Million Negro Women at Work", a landmark study on black women and employment.