List of Famous people who are 40

Zhou Xiaoping is a Chinese essayist and popular blogger. His most well-known works are Please Do Not Fail this Era!, Young, do you really know about this country?, Where did our heroes go?, and Nine Tricks of the United States Cultural Cold War. He is a supporter of communist party rule and has expressed nationalist, anti-American and anti-Western sentiment. Zhou is noted for praising by Communist Party General Secretary Xi Jinping at a conference on art and literature. Xi lauded Zhou for spreading "positive energy" in 2014.

Robert William 'Robbie' Maddison is an Australian motorbike stunt performer. Nicknamed 'Maddo', he is from the town of Kiama, New South Wales.

Alexandria "Sandi" Thom is a Scottish singer-songwriter and multi-instrumentalist from Banff, Scotland. She became widely known in 2006 after her debut single, "I Wish I Was a Punk Rocker ", topped the UK Singles Chart in June of that year. The single became the biggest-selling single of 2006 in Australia, where it spent ten weeks at the top of the ARIA Singles Chart. Thom has released five studio albums: Smile... It Confuses People (2006), The Pink & the Lily (2008), Merchants and Thieves (2010), Flesh and Blood (2012), and The Covers Collection (2013).

Jamie Tinkler is an English singer and songwriter born in Linthorpe, Middlesbrough, England.

Cecelia Ahern is an Irish novelist known for her works like PS, I Love You, Where Rainbows End and If You Could See Me Now. Born in Dublin, Ahern is now published in nearly fifty countries, and has sold over 25 million copies of her novels worldwide. Two of her books have been adapted as major motion films.

Ai Nonaka is a Japanese voice actress and singer. She works for Aoni Production and was formerly a member of the voice actor unit Drops, which included fellow voice actor Akemi Kanda, Tomoko Kaneda, Mariko Kōda, and Ryōko Shiraishi. In high school in Fukuoka, she was head of the drama club and her ambition was to play male roles in the famous all-female Takarazuka Revue.

Ali Palabıyık is a Turkish football referee who officiates in the Süper Lig. He has been a FIFA referee since 2015, and is ranked as a UEFA first category referee.

Maria Antônia Gigliotti Campos Maya is a Brazilian actress.

Ryan Dahl is an American software engineer and the original developer of the Node.js JavaScript runtime and the Deno JavaScript and TypeScript runtime.

Jasmine Trinca is an Italian actress. Trinca was born in Rome, Italy. She began her career in 2001, chosen by Nanni Moretti for his award-winning The Son's Room, receiving the Guglielmo Biraghi prize as Best New Talent of the Year. In 2004, she won a Nastro d'Argento for The Best of Youth . Trinca played again with Moretti in Il caimano (2006).