Brunel University of London (BUL) is a public research university located in London, England. It is named after Isambard Kingdom Brunel, a Victorian engineer and pioneer of the Industrial Revolution. It became a university in June 1966, when Brunel College of Advanced Technology was awarded a royal charter and became Brunel University; it is sometimes considered a plate glass university.

In 2014 the university formally adopted the name Brunel University London, and in 2024 became the University of London's 17th member, adopting the trading name Brunel University of London. Since 2014 the university has been organised into three colleges: the College of Business, Arts and Social Sciences; the College of Engineering, Design and Physical Sciences; and the College of Health, Medicine and Life Sciences.

Brunel has over 16,000 students and 2,200 staff, and an annual income of £271.3 million (2021–22), of which £22.4 million was from research grants and contracts, with an expenditure of £311.9 million. The university won the Queen's Anniversary Prize in 2011. BUL is a member of the Association of Commonwealth Universities, the European University Association, and Universities UK.