List of Famous people who are 40

Christopher Scott Thile is an American mandolinist, singer, songwriter, composer, and radio personality, best known for his work in the progressive acoustic trio Nickel Creek and the acoustic folk and progressive bluegrass quintet Punch Brothers. He is a 2012 MacArthur Fellow. In October 2016, he became the host of the radio variety show A Prairie Home Companion, which in December 2017 was renamed Live from Here.

Teresa Victoria Carpio is an American actress and singer. She is best known for her breakthrough role as Prudence in the film Across the Universe (2007), in which she sang the Beatles song "I Want to Hold Your Hand". She gained further recognition for her roles as Valerie in Limitless (2011), and Shelby Prince in the Lifetime television series The Client List (2013).

Yohann Gène is a French former professional road bicycle racer, who competed professionally between 2005 and 2019, entirely for Bouygues Télécom and its later iterations. He was the first cyclist of Afro-Caribbean and Sub-Saharan African descent to ever compete in the Tour de France.

Hiroaki Ishiura is a Japanese racing driver. He currently drives in the Super Formula series for P.MU/CERUMO·INGING, and the Super GT GT500 series for Lexus Team Zent Cerumo.

Patricio Albacete is an Argentine rugby union player. He currently plays for Stade Toulousain in the top level of French rugby, the Top 14 competition. He has also represented the national Argentina team, including being a part of their 2003 Rugby World Cup squad. His usual position is at lock. He won the Top 14 in 2008 and the 2009–10 Heineken Cup. In January, Patricio Albacete announced on his official website that he signed a new 4 years deal with Stade Toulousain.