List of Famous people who are 40

Amir Hadj Massaoued is a Tunisian football player.

Lai Chi Wai is a rock climber, sport climber, and motivational speaker from Hong Kong. He is a four-time champion of the Asian Rock Climbing Championships and the world's first Chinese winner of the X-Game's extreme sports. In 2011, he got into a serious traffic accident that left him paraplegic. On December 9, 2016, upon the 5th anniversary of the car accident, Lai climbed up Lion Rock in a wheelchair, and became the first Chinese athlete to be nominated for the Laureus World's Best Sporting Moment of the month, which he lost to a viral video which showed a packed sports stadium of 70,000 people in Iowa turning and waving to children in an adjacent hospital. Netizens, touched by Lai's achievement, said he embodied the “spirit of Lion Rock”, which has come to symbolize Hong Kong's can-do spirit in the midst of adversities.

Farid Hafez is an Austrian political scientist at the Department of Political Science and Sociology at the University of Salzburg, and the Center Associate at Georgetown University's The Bridge Initiative., which is lead by John L. Esposito.

Patrícia Candoso is a Portuguese singer and actress.

Dilek Serbest is a Turkish actress and model. She is best known for portraying the role of "İzadora" in the historical drama series Diriliş: Ertuğrul. She also portrayed the role of "Era" in the historical film Fetih 1453. She has also appeared in various movies and TV shows including Yarım Elma, G.O.R.A, Yarım Elma and Kaybolan Yıllar.

Hicham Aboucherouane is a Moroccan footballer.

Adam Green is an American singer-songwriter, artist and filmmaker.

Alexandra Priscila do Nascimento is a Brazilian female handball player for Bourg-de-Péage DHB and the Brazilian national team.

Tamara Isabel Falcó Preysler, 6th Marchioness of Griñón, is a Spanish aristocrat and reality television participant. She was also a co-host on the television show El Hormiguero. She is the only child of aristocrat Carlos Falcó, 12th Marquess of Castel-Moncayo, GE with Spanish-Filipino socialite Isabel Preysler.

Ellen Muth is an American actress from Milford, Connecticut, best known for her role as Georgia "George" Lass in Showtime's series Dead Like Me.