Albert Robert Mills (16 January 1894 – 6 December 1964) was a British long-distance runner. He competed in the marathon at the 1920 and 1924 Summer Olympics. Mills ran his first marathon in 1920, winning the Poly race in a new British record of 2:37:40.4. He also won the Poly race in 1921 and 1922, and competed for England internationally in cross-country running in 1920–1921 and 1923.