Elizabeth Clinton, Countess of Lincoln (c. 1570–1638), formerly Elizabeth Knyvet(t), was an English noblewoman and writer. She was Countess of Lincoln from 1616 until the death of her husband Thomas Clinton, 3rd Earl of Lincoln, in 1619, then Dowager Countess. Her pamphlet on child-raising, The Countess of Lincoln's Nursery, gained praise.