List of Famous people who are 40

Luke Ronchi is a New Zealand-Australian cricket coach and cricketer. He represented both the Australia national cricket team and New Zealand national cricket team in international cricket. Ronchi is the only player to have played for both Australia and New Zealand in cricketing history and was part of the New Zealand World Cup side that finished runners-up in the 2015 Cricket World Cup, after their defeat in the final to Australia. He plays for Wellington in New Zealand domestic matches and has played Twenty20 matches for a range of sides.

Sébastien Akchoté-Bozović, known mononymously as Sebastian, is a French musician, composer, producer, mixer, engineer, vocalist and DJ affiliated with Ed Banger Records. He has worked as a solo electronic musician and as a remixer for bands and singers such as Charlotte Gainsbourg, Daft Punk, Beastie Boys, Bloc Party, and Nero. He has also composed and produced songs for Charlotte Gainsbourg, Katerine, Kavinsky, Frank Ocean, Uffie and Woodkid, and he has composed soundtracks for the films Our Day Will Come, The World Is Yours and Steak. Many of his tracks have been used on television and in video games.

Florian Post is a German politician. Born in Neustadt an der Waldnaab, Bavaria, he represents the SPD. Florian Post has served as a member of the Bundestag from the state of Bavaria since 2013.

Jesse Martin, OAM is a German-Australian sailor who in 1999 became the youngest person to circumnavigate the globe solo, non-stop, and unassisted, Martin's journey in the 34-foot (10 m) S&S 34 sloop Lionheart-Mistral took approximately 11 months. He chronicled his adventures in the book Lionheart: A Journey of the Human Spirit, and his story was made into a documentary, Lionheart: The Jesse Martin Story.

Lisa Goodwin-Allen is a British chef best known for being executive chef of the Michelin starred Northcote restaurant. She was also one of four winning chefs on season five of the BBC cooking show Great British Menu.

Fiona Dourif is an American actress and producer. She is known for her role as Bart Curlish in BBC America's Dirk Gently's Holistic Detective Agency and as the young Diane Jones in Dustin Lance Black's When We Rise. She has appeared in Showtime's Shameless and in a recurring role on NBC's The Blacklist. She played Nica Pierce in the 2013 horror film Curse of Chucky and its 2017 follow-up Cult of Chucky, which are part of the Child's Play franchise; she appears in these films alongside her father, Brad Dourif, who portrays the series' main antagonist, Chucky. In 2018, she was cast as Good Leader Tavis in the USA Network series The Purge.

Francis Carmont is a French professional mixed martial artist who last competed in the Light Heavyweight division. A professional competitor since 2004, Carmont has competed for Bellator MMA, the UFC, and KSW.

Olubankole Wellington, popularly known by his stage name Banky W and credited in film as Banky Wellington, is a Nigerian singer, rapper, actor, entrepreneur and politician.

Peter Cherif, also known as Abu Hamza, is a French Islamic militant who has been a member of Al-Qaeda in Iraq and Al-Qaeda in the Arabian Peninsula. He is also believed to have assisted the planning of the Charlie Hebdo shooting.

Şahabettin Mert Fırat is a Turkish actor and screenwriter.