William Andrew Edmondson (born October 12, 1946) is an American lawyer and politician from the state of Oklahoma. A member of the Democratic Party, Edmondson served as the 16th Attorney General of Oklahoma from 1995 to 2011. Prior to his election as state attorney general, he served as district attorney for Muskogee County, Oklahoma, from 1983 to 1992. He was defeated twice in campaigns for U.S. Congress in Oklahoma's 2nd congressional district, where his father Ed Edmondson served from 1953 to 1973.