Sir Mark Potter is an English judge who was President of the Family Division and Head of Family Justice for England and Wales from 2005 – 2010.

Sir Mark left The Perse to read law at Gonville and Caius College, Cambridge. He was called to the commercial Bar in 1961, and took silk in 1980.

From 1988 to 1996 he was a Judge of the High Court of Justice, and was appointed a Lord Justice of Appeal in 1996. In 2005, he became President of the Family Division.

During his presidency, Sir Mark ruled on a number of landmark legal cases, and oversaw the implementation of measures designed to increase transparency in the family courts system. Sir Mark retired as a Judge in 2010, and returned to the field of commercial law as an arbitrator at Fountain Court chambers.