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Sean Astin

Photo: John Manard, CC BY-SA 4.0, via Wikimedia Commons

Actor

Sean Astin

American actor (born 1971)

Sean Astin is 55 years old, born on February 25, 1971 in Santa Monica.

Next birthday in 113 days, turning 56.

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Born
February 25, 1971, Santa Monica
Age
55
Zodiac sign
Pisces
Country
United States
Known as
Actor

Official links: Official website (seanastin.com) · Instagram · X · Wikipedia

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Sean’s birthday, by the numbers

  • Sean Astin was born on a Thursday.
  • Sean Astin has been alive for about 20,341 days.
  • Their 25,000-day milestone falls on August 7, 2039.
  • Their next birthday, turning 56, is on a Thursday.
  • Next milestone: Sean Astin turns 60 on February 25, 2031, in 4 years and 3 months. More milestone birthdays
  • Sean Astin is younger than 2,539 and older than 4,307 of the living celebrities on CFOTD.
  • Half birthday: August 25. Birthstone: Amethyst.
  • Sean Astin belongs to Gen X.

Age gaps

Born within weeks of Sean

Ewan McGregorActor · March 31, 1971Pep GuardiolaSoccer player · January 18, 1971Denise RichardsActor · February 17, 1971Nathan FillionActor · March 27, 1971Regina KingActor · January 15, 1971Erykah BaduSinger · February 26, 1971

Days and weekdays are worked out from the birth date. Compare Sean’s age with anyone.

Share Sean Astin’s birthday, February 25?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 February 25⭐Birthday twin cardA square card to share

Also born on February 25

All →
Ana MenaSinger · Age 29Arda GülerSoccer player · Age 21Shahid KapoorActor · Age 45Gianluigi DonnarummaSoccer player · Age 27Park Ji-SungSoccer player · Age 45Eugenie BouchardTennis player · Age 32

Also born in 1971

All →
Tupac ShakurRapper · June 16Anna NetrebkoSinger · September 18Snoop DoggRapper · October 20Mark WahlbergActor · June 5Jared LetoActor · December 26Ewan McGregorActor · March 31

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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

How old is Sean Astin?

Sean Astin is 55 years old, born on February 25, 1971 in Santa Monica.

What is Sean Astin’s zodiac sign?

Pisces, born February 25.

Does Sean Astin have an official website?

Yes: seanastin.com.