Eliza Pickrell Routt (1839–1907) was a pioneer in women's suffrage and the original first lady of the state of Colorado.

She was orphaned early in her childhood and then lived at the home of her grandfather Colonel William Franklin Elkins.

[1] Along with Abraham Lincoln, he was one of the "Long Nine" who averaged six feet tall and represented Sangamon County, Illinois between 1836 and 1837 in the legislature.

She supported the creation of the Botanical and Horticultural Laboratory (built 1890) as part of the Colorado Agricultural College.

[2] She was the elected president of The City League of Denver, an active proponent of the women's suffrage movement.