William L. Enyart (born September 22, 1949) is a former Democratic member of the United States House of Representatives from Illinois. He represented Illinois’s 12th Congressional District during the 113th Congress, serving a single term from January 3, 2013, to January 3, 2015. Enyart is identified in congressional records by the Biographical Directory of the United States Congress under the bioguide ID E000292.

During his tenure in the House of Representatives, Enyart served as a Democratic representative for the 12th District of Illinois, contributing to the legislative work of Congress between 2013 and 2015. His service in this role places him among the historical members of Congress from Illinois. After leaving office at the conclusion of his term in 2015, he held no further congressional office as indicated by the available records.