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, born William Cuthbert Falkner. His last name went from Falkner to Faulkner in 1818 when an error occurred in printing his first book. When he was asked if he wanted his book to be reprinted, he apparently answered that either way would suit him. He was awarded the Nobel Prize in Literature in 1949 and twice the Pulitzer Prize for Fiction. He wrote The Sound and the Fury and Light in August
• 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