- Sculptor C. J. Allen (1862–1956), a figure in the New Sculpture movement, was born in Greenford.
- Tennis player Blanche Bingley (1863–1946), six times women’s singles champion at Wimbledon, was born in Greenford.
- Model Jourdan Dunn was born (1990) and brought up in Greenford.
- Pop singer Elyar Fox was brought up in Greenford.
- Comedian Freddie Frinton (1909–1968), who remains a household name in Germany and Scandinavia, lived in Greenford.
- Jack Good, pioneering music TV producer with links to artists including the Beatles and the Monkees, was born in Greenford.
- 19th century actor Charles Kean (1811–1868) grew up partly in Greenford.
- David Kerr-Clemenson – bass player with Edison Lighthouse, White Plains and Fast Buck – lived in Hedgerley Gardens, Greenford for twenty-two years.
- Singing sisters the Nolans attended The Cardinal Wiseman Catholic School, Greenford.
- Doug Sandom, musician, (1930-2019) was born in Greenford. Sandom was the original Who drummer.
- Lieutenant General Sir William Thornton (1779–1840), a leader of the Light Brigade, lived in Greenford.
- Jason Roberts, professional footballer, attended The Cardinal Wiseman Catholic School, Greenford.
- Bukayo Saka, professional footballer, was raised in Greenford and attended Greenford High School.