G. Joseph Pierron (born May 16, 1947) is a former American judge of the Kansas Court of Appeals, serving from 1990 to 2020.
He served as chair of the Bicentennial Commission on the United States Constitution for Johnson County.
He served as chair of Kids Voting Kansas, founded by former Governor Bill Graves and Secretary of State Ron Thornburgh.
Judge Pierron has received leadership and public service awards from the National Committee for the Prevention of Child Abuse, the Kansas Children and Youth Advocacy committee, the Kansas Corporation for Change, the Olathe Police Department, the Olathe Medical Center, and the Olathe Jaycees and the Leavenworth, Kansas Bar Association.
In 2011, he received the American Bar Association Burnham (Hod) Greely Award, "in recognition of his outstanding contribution to promoting public awareness of the importance of a fair, impartial and independent judiciary."