List of Famous people who born in 1921

Gian Luigi Rondi was an Italian screenwriter and film director. He was a member of the jury at the 12th and 15th Moscow International Film Festival. He was also a member of the jury at the 11th and 32nd Berlin International Film Festival. He was also a member of the jury three times at the Cannes Film Festival in 1963, 1967 and 1980. He was the president of the jury at the 48th Venice Film Festival.

Porfirio Ricardo José Luis Daniel Oduber Quirós was a Costa Rican politician, lawyer, philosopher, poet, and essayist. He served as the President of Costa Rica from 1974 to 1978. He is credited with the creation of the Sistema Nacional de Radio y Televisión and the Universidad Estatal a Distancia.

Jeannette Batti (1921–2011) was a French film actress.

Guido Münch Paniagua was a Mexican astronomer and astrophysicist.

Madelyn Pugh, sometimes credited as Madelyn Pugh Davis, Madelyn Davis, or Madelyn Martin, was a television writer who became known in the 1950s for her work on the I Love Lucy television series.

Jean-Louis Koszul was a French mathematician, best known for studying geometry and discovering the Koszul complex. He was a second generation member of Bourbaki.