Betty Margaret Bernardelli (née Giles, 7 Nov 1919–1998) was a physiological psychologist at the University of Otago in New Zealand. With an MA from Cambridge University, Bernardelli was the commanding officer at the WAAF training school for psychology instructors. After the war, Bernardelli worked in a team advising demobilised air force personnel on their future employment prospects, and set up a testing unit for the Royal Navy. Bernardelli was also part of a research team in Cambridge, focusing on about how best to assist men and women aged 35–40 forced to change their occupation.