Michael Sims (born February 17, 1958 in Crossville, TN) is an American nonfiction writer. His books include Darwin's Orchestra (1997), Adam's Navel (2003), Apollo’s Fire (2007), In the Womb: Animals (2009), and The Story of Charlotte's Web (2011). He is also an anthologist, editor of several volumes of Victorian and Edwardian fiction and poetry.