List of Famous people who died at 84

André Aschieri was a French politician. He served as mayor of Mouans-Sartoux from 1974 to 2015, was a member of the National Assembly from 1997 to 2002, and was Vice-President of Land and Housing of the Regional Council of Provence-Alpes-Côte d'Azur from 2004 to 2015. He was the founder of the Agence française de sécurité sanitaire and was a member of the Grenelle Environnement.

Ross MacManus was an English musician, singer and trumpet player of Irish descent. He performed with Joe Loss and his orchestra. He was the father of Elvis Costello.

Stanley Falkow was an American microbiologist and a professor of microbiology and immunology at Stanford University School of Medicine. He discovered molecular mechanisms of infectious diseases, like antibiotic resistance and sounded the alarm for antibiotic-resistant bacteria. He championed the benefits of microorganisms. He formulated molecular Koch's postulates, which have guided the study of the microbial determinants of infectious diseases since the late 1980s.

Georges Aminel (1922–2007) was a French stage, film and television actor. His father was from Martinique.

François Mahé was a French professional road bicycle racer. He was professional from 1950 to 1965. Highlights from his career include one day in the yellow jersey as leader of the general classification in the 1953 Tour de France, a stage win in 1954 Tour de France as well as a stage win in Vuelta a España, Paris–Nice, Tour de Luxembourg and the Critérium du Dauphiné Libéré and coming second in the 1952 edition of the GP Ouest-France and the 1954 edition of Tour of Flanders.

John Hajnal FBA, was a Hungarian-British academic in the fields of mathematics and economics (statistics).

Alisa Georgyevna Koonen, also known as Alice Coonen, was a Russian and Soviet actress and the wife of the director Alexander Tairov.

Betty Lou Gerson was an American actress, predominantly active in radio, but also in film and television, and as a voice actress. She is best known as the voice of Cruella de Vil from the Disney animated film, One Hundred and One Dalmatians (1961) for which she was named a Disney Legend in 1996.