Maria Louise Kirk (21 June 1860 – 21 June 1938), usually credited as M. L. Kirk or Maria L. Kirk, was an American painter and illustrator of more than fifty books, most of them for children.
Her notable work includes illustrations for a US edition of Alice's Adventures in Wonderland in 1904, for the first edition of The Secret Garden, and for several books by L. M. Montgomery and Johanna Spyri.