Addenbrooke is a surname of English origin. People with this surname include:
John Addenbrooke (philanthropist) (1680-1719), English doctor and benefactor of Addenbrooke's hospital
John Addenbrooke (priest), Dean of Lichfield
John Addenbrooke (footballer), English footballer
Jack Addenbrooke (1865-1922), English football player and manager
See also
Addenbrooke's Hospital, Cambridge, England
Addenbrooke's Charitable Trust (ACT), charity supporting the hospital