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Sienna Spiro

Photo: Danielle Ernst, CC BY 4.0, via Wikimedia Commons

Singer · Musician

Sienna Spiro

British singer-songwriter and record producer

Sienna Spiro is 21 years old, born on September 28, 2005 in London Borough of Enfield.

Next birthday in 327 days, turning 22.

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Born
September 28, 2005, London Borough of Enfield
Age
21
Zodiac sign
Libra
Country
United Kingdom
Known as
Singer, Musician

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

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Sienna’s birthday, by the numbers

  • Sienna Spiro was born on a Wednesday.
  • Sienna Spiro has been alive for about 7,708 days.
  • Their 10,000-day milestone falls on February 13, 2033.
  • Their next birthday, turning 22, is on a Tuesday.
  • Next milestone: Sienna Spiro turns 25 on September 28, 2030, in 3 years and 10 months. More milestone birthdays
  • Sienna Spiro is younger than 6,733 and older than 113 of the living celebrities on CFOTD.
  • Half birthday: March 28. Birthstone: Sapphire.
  • Sienna Spiro belongs to Gen Z.

Age gaps

Born within weeks of Sienna

Jobe BellinghamSoccer player · September 23, 2005Mamadou SarrSoccer player · August 29, 2005Ben Gannon-DoakSoccer player · November 11, 2005Johan ManzambiSoccer player · October 14, 2005Lulu WilsonActor · October 7, 2005Jakub MenšíkTennis player · September 1, 2005

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

Share Sienna Spiro’s birthday, September 28?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 September 28⭐Birthday twin cardA square card to share

Also born on September 28

All →
Lata MangeshkarSinger · (1929 to 2022)Hilary DuffActor · Age 39Marcello MastroianniActor · (1924 to 1996)Naomi WattsActor · Age 58James PeaceMusician · Age 63Dita Von TeeseModel · Age 54

Also born in 2005

All →
IShowSpeedMusician · January 21Arda GülerSoccer player · February 25Désiré DouéSoccer player · June 3Kobbie MainooSoccer player · April 19Kenan YıldızSoccer player · May 4Dafne KeenActor · January 4

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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 Sienna Spiro?

Sienna Spiro is 21 years old, born on September 28, 2005 in London Borough of Enfield.

What is Sienna Spiro’s zodiac sign?

Libra, born September 28.

Does Sienna Spiro have an official website?

Yes: officialsiennaspiro.com.