List of Famous people born on September 21st

Kenneth McAlpine, is a British former racing driver from England. He was born in Cobham, Surrey. He participated in seven Formula One World Championship Grands Prix, debuting on 19 July 1952. He scored no championship points. During the development of the Connaught Racing Team based at Send in Surrey, McAlpine became a considerable financial backer and enjoyed several team owner triumphs including Tony Brooks's memorable F1 victory at Syracuse, Italy in 1955. The team was eventually broken up in 1958 and cars sold off, including one or more to a young Bernie Ecclestone.

Ivano Fossati is an Italian pop singer from Genoa. He was a member of the progressive rock group Delirium and has worked with Fabrizio De André, Riccardo Tesi, Anna Oxa, Mia Martini, Ornella Vanoni, Shirley Bassey and Francesco De Gregori.

Betty Lai Siu-man, also known by her stage name Ban Ban and previously as Bun Bun, is a retired Hong Kong actress and singer.