Photo: Wire photo, Public domain, via Wikimedia Commons
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Ryan’s birthday, by the numbers
- Ryan O'Neal was born on a Sunday.
- Ryan O'Neal would have turned 85 in 2026.
- Half birthday: October 20. Birthstone: Diamond.
- Ryan O'Neal belongs to Born before 1946, the stars born before the Baby Boom.
Age gaps
- When Ryan O'Neal was born, Marilyn Monroe was 14. Compare
- Ryan O'Neal was 24 when Shah Rukh Khan was born. Compare
Born within weeks of Ryan
Bob DylanSinger · May 24, 1941
Bernardo BertolucciFilm director · March 16, 1941
Bruno GanzActor · March 22, 1941
Ann-MargretActor · April 28, 1941
Wolfgang PetersenFilm director · March 14, 1941
Bobby MooreSoccer player · April 12, 1941Days and weekdays are worked out from the birth date. Compare Ryan’s age with anyone.
Share Ryan O'Neal’s birthday, April 20?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for April 20⭐Birthday twin cardA square card to share
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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake
Frequently asked questions
When was Ryan O'Neal born?
Ryan O'Neal was born on April 20, 1941 and died on December 8, 2023, aged 82.
What is Ryan O'Neal’s zodiac sign?
Taurus, born April 20.