25 September: today's birthdays

• Niccolò Ammaniti - Italian novelist. He wrote the novels As God Commands (Come Dio comanda) and  I'm Not Scared (Io non ho paura) 
• Francesco Borromini - Swiss-Italian architect, born Francesco Castelli
• Robert Bresson - French film director and screenwriter Money, The Devil Probably, Lancelot du Lac and Four Nights of a Dreamer
• Nicolas-Joseph Cugnot - French military engineer and inventor
• Maurilio De Zolt - Italian cross-country skier
• Michael Douglas - American actor and producer. He is the son of actor Kirk Douglas
• William Faulkner - American writer and screenwriter, he was awarded the Nobel Prize in Literature in 1949 and twice the Pulitzer Prize for Fiction. He wrote The Sound and the Fury
• Adelmo Fornaciari - Italian singer best known as Zucchero Sugar Fornaciari
• Zucchero Sugar Fornaciari - Stage name of Italian singer-songwriter and musician Adelmo Fornaciari
• Robert Gates - American politician
• Donald Glover - American actor, rapper, writer, and comedian, born Donald McKinley Glover
• Glenn Gould - Canadian pianist and composer, born Glenn Herbert Gould
• Mark Hamill - American actor
• Maria Doyle Kennedy - Irish singer and actress
• Scottie Pippen - Former American basketball player
• Jean-Philippe Rameau - French composer and music theorist
• Mark Rothko - Russian-born American painter, born Markus Yakovlevich Rothkowitz 
• Carlos Ruiz Zafón - Spanish novelist
  
• Ole Rømer - Danish astronomer. He was the first to measure the speed of light
• ​Michele Scarponi - Italian road bicycle racer. He won the Giro d'Italia (Tour of Italy) in 2011
• Matías Silvestre - Argentine soccer player
• Will Smith - American actor and singer. He became famous starring in the TV series Willy, il principe di Bel Air
• Dmitrij Dmitrievič Šostakovič (Dmitri Dmitriyevich Shostakovich) - Russian composer
• Dmitrij Šostakovic (Dmitri Shostakovich) - Russian composer
• Alfred Vail - American inventor, born Alfred Hewis Vail. Along with Samuel Morse, he invented the telegraph and the Morse code
• Inez van Lamsweerde - Dutch photographer
• Catherine Zeta-Jones - Welsh actress. She won an Oscar for Best Supporting Actress in 2003, starring as Velma Kelly in Chicago. She is married to Michael Douglas