William Wolfgang Hallo (March 9, 1928 – March, 27, 2015) was professor of Assyriology and Babylonian Literature and curator of the Babylonian collection at Yale University. He was born in Kassel, Germany. Hallo was a Master of Morse College, one of the twelve residential colleges at Yale University, between 1982 and 1987. Hallo and Van Dijk were known for publishing the first translations and book-length discussion of the work of the Sumerian priestess and poet Enheduanna in 1968.