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Guy Sebastian

Photo: Eva Rinaldi, CC BY-SA 2.0, via Wikimedia Commons

Singer

Guy Sebastian

Australian singer-songwriter

Guy Sebastian is 45 years old, born on October 26, 1981 in Klang.

Next birthday in 357 days, turning 46.

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Born
October 26, 1981, Klang
Age
45
Zodiac sign
Scorpio
Country
Australia, Malaysia
Known as
Singer

Official links: Official website (guysebastian.com) · Instagram · X · YouTube · TikTok · Wikipedia

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Guy’s birthday, by the numbers

  • Guy Sebastian was born on a Monday.
  • Guy Sebastian has been alive for about 16,444 days.
  • Their 20,000-day milestone falls on July 29, 2036.
  • Their next birthday, turning 46, is on a Tuesday.
  • Next milestone: Guy Sebastian turns 50 on October 26, 2031, in 4 years and 11 months. More milestone birthdays
  • Guy Sebastian is younger than 4,069 and older than 2,777 of the living celebrities on CFOTD.
  • Half birthday: April 26. Birthstone: Opal and tourmaline.
  • Guy Sebastian belongs to Millennials.

Age gaps

Born within weeks of Guy

Britney SpearsSinger · December 2, 1981Zlatan IbrahimovićSoccer player · October 3, 1981Serena WilliamsTennis player · September 26, 1981Xabi AlonsoSoccer player · November 25, 1981David VillaSoccer player · December 3, 1981Jennifer HudsonSinger · September 12, 1981

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

Share Guy Sebastian’s birthday, October 26?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 October 26⭐Birthday twin cardA square card to share

Also born on October 26

All →
Bob HoskinsActor · (1942 to 2014)CM PunkActor · Age 48Raveena TandonActor · Age 52Mahalia JacksonSinger · (1911 to 1972)Rita WilsonActor · Age 70Keith UrbanMusician · Age 59

Also born in 1981

All →
Britney SpearsSinger · December 2Zlatan IbrahimovićSoccer player · October 3Serena WilliamsTennis player · September 26Paris HiltonTV host · February 17Chris EvansActor · June 13Iker CasillasSoccer player · May 20

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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 Guy Sebastian?

Guy Sebastian is 45 years old, born on October 26, 1981 in Klang.

What is Guy Sebastian’s zodiac sign?

Scorpio, born October 26.

Does Guy Sebastian have an official website?

Yes: guysebastian.com.