| Honorific-Prefix: | The Right Honourable |
| Sir Jonathan Baker | |
| Office: | Lord Justice of Appeal |
| Term Start: | 2018 |
| Office2: | Justice of the High Court |
| Term Start2: | 2009 |
| Term End2: | 2018 |
| Birth Date: | 6 August 1955 |
| Birthname: | Jonathan Leslie Baker |
| Nationality: | British |
| Residence: | Oxford |
| Alma Mater: | St John's College, Cambridge |
| Occupation: | Barrister |
| Profession: | Barrister |
Sir Jonathan Leslie Baker (born 6 August 1955), styled The Rt Hon Lord Justice Baker, is a Judge of the Court of Appeal of England and Wales.
He was educated at St Albans School and St John's College, Cambridge.[1]
He was called to the bar at Middle Temple in 1978. He was a recorder from 2000 to 2009, and judge of the High Court of Justice (Family Division) from 2009 - 2018.
In October 2017, he was appointed as the Senior Family Liaison Judge.[2]
In October 2018, he was appointed as a Judge of the Court of Appeal.