Sarah Carmichael Harrell (pen name, Citizen; January 8, 1844 – 1929) was an American educator, social reformer, and writer. She served two years as superintendent of the department of scientific temperance in the public schools, and was the "first female teacher to receive pay equal with male teachers in southeast Indiana". Harrell was a member of the Indiana Board of World's Fair Managers in connection with the World's Columbian Exposition.