List of Famous people who are 40

Kim Nam-gil is a South Korean actor, producer, director, singer and philanthropist. He is best known from leading roles in disaster blockbuster Pandora (2016); crime thriller Memoir of a Murderer (2017) adventure film The Pirates (2014); period drama Portrait of a Beauty (2008) and the crime-comedy television drama The Fiery Priest (2019). His breakthrough role was Bidam in the hit television period drama Queen Seondeok (2009).

Lorena Bernal Pascual is an Argentine-Spanish actress, television host, and model.

Keita Suzuki is a former Japanese football player. He played for the Japan national team.

Ira Losco M.Q.R. is a Maltese singer and songwriter. Her career breakthrough came in 2002, when she represented Malta in the Eurovision Song Contest 2002 with the song "7th Wonder". She placed second in the competition, Malta's best ever result. Fourteen years later, she returned and represented Malta in the Eurovision Song Contest 2016 with the song "Walk on Water", placing twelfth. Losco has released six studio albums so far in her career, and is one of the most successful Maltese musicians of all-time. In 2018, she served as a judge on the inaugural season of X Factor Malta. She returned to serve as judge in 2019.

Yuya Ishii is a Japanese Nippon Professional Baseball pitcher for the Hokkaido Nippon-Ham Fighters in Japan's Pacific League. He previously played for the Yokohama BayStars.

Jessica Bießmann is a member of the Abgeordnetenhaus of Berlin and member of the Alternative for Germany party.

Ashley Henley was an American teacher and politician who served in the Mississippi House of Representatives from the 40th district from 2016 to 2020. She was a member of the Republican Party.

Lorena Telpuk, formerly María del Luján Telpuk or the Suitcase Girl, is a former airport police officer at Aeroparque Jorge Newbery in Buenos Aires, Argentina, who noticed a suitcase with US$800,000 as it went through an X-ray machine in August 2007, initiating a very public international election scandal, known as Maletinazo.

Marcus Tulio Tanaka is a Japanese retired football player.

Eriko Sato is a Japanese actress. She is also a former gravure idol and made her debut in 1998.