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Dylan O'Brien

Photo: Quejaytee, CC BY 4.0, via Wikimedia Commons

Actor

Dylan O'Brien

American actor (born 1991)

Dylan O'Brien is 35 years old, born on August 26, 1991 in New York City.

Next birthday in 294 days, turning 36.

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Born
August 26, 1991, New York City
Age
35
Zodiac sign
Virgo
Country
United States
Known as
Actor

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Dylan’s birthday, by the numbers

  • Dylan O'Brien was born on a Monday.
  • Dylan O'Brien has been alive for about 12,855 days.
  • Their 15,000-day milestone falls on September 19, 2032.
  • Their next birthday, turning 36, is on a Thursday.
  • Next milestone: Dylan O'Brien turns 40 on August 26, 2031, in 4 years and 9 months. More milestone birthdays
  • Dylan O'Brien is younger than 5,652 and older than 1,194 of the living celebrities on CFOTD.
  • Half birthday: February 26. Birthstone: Peridot and spinel.
  • Dylan O'Brien belongs to Millennials.

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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 Dylan O'Brien?

Dylan O'Brien is 35 years old, born on August 26, 1991 in New York City.

What is Dylan O'Brien’s zodiac sign?

Virgo, born August 26.