George Brent Brumwell CBE (22 October 1939 – 8 November 2005) was a British trade unionist.
Brumwell was born in Hartlepool, and was apprenticed as a joiner to the local shipbuilding firm of William Gray before moving into the construction industry.
In 1974 he became the regional secretary in Leeds, and from 1984 represented the Midlands and Yorkshire on the union's executive council.
His term as General Secretary was noted for increasing the membership and saving the union from division and financial chaos.
He served on a number of construction industry bodies and on the Health and Safety Commission.