William K. Hathaway (born 1944) is a contemporary American poet who has published ten collections of poetry with Ithaca House, Louisiana State University Press, University of Central Florida Press, Canios Editions, and Chester Creek Press. Hathaway's most recent book, Dawn Chorus: New and Selected Poems 1972-2017, was published in March 2018 by Somondoco Press. He is retired and currently resides in Belfast, Maine.