Helen Taylor (1831–1907) was an English feminist, writer and actress. She was the daughter of Harriet Taylor Mill and stepdaughter of John Stuart Mill. After the death of her mother, she lived and worked with John Stuart Mill. Together they promoted women's rights. From 1876 to 1884 (when she quit due to her health) she was a member of the London School Board. In 1881, she joined the Democratic Federation.