Sir Brian Joseph Roche KNZM (born 1955 or 1956)[1] is a New Zealand business executive and senior public servant.

[5] He led the team that gained the 2011 Rugby World Cup hosting rights for New Zealand and later chaired group that organised the championship, taking over from Jock Hobbs.

[7] In August 2020, Roche and Heather Simpson were chosen to lead a new group to support the Ministry of Health in improving COVID-19 border security.

[8] In October 2024, Roche was appointed to the position of Public Service Commissioner, effective from 4 November 2024, for a term of two years and eight months through to June 2027.

[10] In the 2017 New Year Honours, he was appointed a Knight Companion of the New Zealand Order of Merit, for services to the State and business.