| Coulter Osborne | |
| Birth Name: | Coulter Arthur Anthony Osborne |
| Birth Date: | 29 April 1934 |
| Nationality: | Canadian |
| Blank1: | Listed height |
| Data1: | 6 ft 1 in (1.85 m) |
| Office1: | Integrity Commissioner of Ontario |
| Term Start1: | September 17, 2001 |
| Term End1: | July 31, 2007 |
| Predecessor1: | Gregory Evans |
| Successor1: | Lynn Morrison |
| Office2: | Justice of the Court of Appeal for Ontario |
| Term Start2: | 1990 |
| Term End2: | 2001 |
| Office3: | Justice of the High Court of Ontario |
| Term Start3: | 1978 |
| Term End3: | 1990 |
Coulter Arthur Anthony Osborne (April 29, 1934 – April 19, 2023) was a Canadian arbitrator who served as Associate Chief Justice of Ontario.
Osborne was raised in Hamilton, Ontario.[1] He attended the University of Western Ontario and graduated in 1955.[2] In 1959, he graduated from Osgoode Hall Law School.[3]
Prior to his career in law, Osborne represented Canada at the 1956 Summer Olympics in basketball.[4]
Osborne was appointed to the Ontario Court of Appeal in 1990 and became Associate Chief Justice in 1999. In 2001 he was appointed Ontario's Integrity Commissioner and also served as Ontario's Lobby Registrar until 2007.[5] [6]
In 2011, Osborne was appointed to the Order of Ontario.[7]
Osborne died on April 19, 2023, at the age of 88.