List of Famous people who are 40

Kishwer Merchant is an Indian television actress and model. Merchant is well known for acting in the shows Hip Hip Hurray, Ek Hasina Thi, Itna Karo Na Mujhe Pyaar, Har Mushkil Ka Hal Akbar Birbal and Pyaar Kii Ye Ek Kahaani. She was a contestant in the reality show Bigg Boss 9 in 2015.

Peta Jane Murgatroyd is a New Zealand-born Australian professional Latin dancer. She performed in the international tour of the dance production Burn the Floor, including its Broadway run. She is best known for her appearances on the American edition of Dancing with the Stars, which she and her partners have won twice.

Ginger Renee Colonomos, known by her pseudonym Ginger Zee, is an American television personality. She is the chief meteorologist for ABC News, after having been the network's weekend meteorologist.

Yoshio Itoi is a Japanese professional baseball player for the Hanshin Tigers. Itoi bats left-handed and throws right-handed. He played for team Japan in WBC 2013, and hit for Japan in games against Brazil and China.

Gustavo Adolfo Dudamel Ramírez is a Venezuelan conductor and violinist. He is the music director of the Orquesta Sinfónica Simón Bolívar and the Los Angeles Philharmonic.

Katy Mixon is an American actress. She began her career playing supporting roles in films such as The Quiet (2005), Four Christmases (2008), and State of Play (2009), before landing the female leading role in the HBO comedy series Eastbound & Down (2009–2013).

Jay Ryan is a New Zealand actor. He is best known for his roles as Jack Scully in the Australian soap opera Neighbours, Kevin in the New Zealand comedy-drama programme Go Girls, Mark Mitcham in the internationally produced New Zealand television programme Top of the Lake, Vincent Keller in the American television series Beauty & the Beast and Detective Ben Wesley in the Canadian television series Mary Kills People.

Mirjam Weichselbraun is an Austrian television host and actress, best known in Austria for presenting Dancing Stars, Life Ball and the Vienna Opera Ball. She is best known outside Austria for presenting the Eurovision Song Contest in 2015.

Natasha St-Pier is a Canadian singer of Acadian origin who has spent most of her career in France. She was coach in the second and third season of The Voice Belgique.

Joshua Michael Tillman, better known by his stage name Father John Misty, is an American musician, singer-songwriter, and record producer. He has also performed and released studio albums under the name J. Tillman.