| Joel D. Horton | |
| Office: | Justice of the Idaho Supreme Court |
| Termstart: | September 18, 2007 |
| Termend: | December 31, 2018 |
| Appointer: | Butch Otter |
| Predecessor: | Linda Copple Trout |
| Successor: | Gregory W. Moeller |
| Office1: | Judge for the Ada County Court |
| Termstart1: | 1996 |
| Termend1: | 2007 |
| Office2: | Magistrate Judge for the Ada County Court |
| Term Start2: | 1994 |
| Term End2: | 1996 |
| Birth Name: | Joel David Horton |
| Birth Date: | 1959 10, mf=yes |
| Birth Place: | Nampa, Idaho |
| Spouse: | Carolyn Minder |
| Education: | University of Washington (BS) University of Idaho (JD) |
Joel David Horton (born October 30, 1959) is an American lawyer and retired judge from Idaho. He is a former justice of the Idaho Supreme Court, appointed
A district judge in Boise, Horton was appointed to the state's highest court by Governor Butch Otter in September 2007 to fill the vacancy of the retiring Linda Copple Trout.[2] He narrowly retained his seat in the statewide election (50.1%) in but was re-elected by a wide margin (65.8%) six years later
In June 2018, Horton announced he would retire at the end of December.[3] His successor, Gregory Moeller, was appointed by Otter and was unopposed in the 2020 election.