Sir Barry Paul Cotter (born 30 July 1963)[1] is a British High Court judge.

Cotter grew up in St Helens, England and attended West Park High School there; he completed an LLB at University College London in 1984.

He served as the designated civil judge for Devon and Cornwall from 2010 to 2017, then for Avon, Somerset and Gloucester until 2021.

He was senior circuit judge at Bristol's Civil and Family Law Centre from 2018 to 2021.

[1][2] On 1 October 2021, he was appointed a judge of the High Court and assigned to the Queen's Bench Division.