List of Famous people who are 40

Jack Siegfried Ryder is an English actor, best known for playing Jamie Mitchell in the BBC One soap opera EastEnders from 1998 to 2002. He has subsequently established himself as a film and theatre director.

Clive James Standen is an English actor best known for playing Bryan Mills in the NBC series Taken, based on the film trilogy of the same name, as well as Rollo in the History Channel series Vikings, Sir Gawain in the Starz series Camelot, Archer in the BBC One series Robin Hood, and Private Carl Harris in the BBC science-fiction programme Doctor Who.

Porsha Dyanne Williams is an American television personality and actress. Williams has starred on the television series The Real Housewives of Atlanta since its fifth season in 2012 and Dish Nation since its second season in 2013, and finished in eighth place on The New Celebrity Apprentice in 2017. Her marriage to football player Kordell Stewart was featured on Platinum Weddings, although they divorced in 2012.

Răzvan Dincă Raț is a Romanian former professional footballer who usually played as a left back.

Michael Ponce Oliverius is an American former child actor of the 1990s better known by his stage name Michael Oliver. Oliver is best known for his role as "Junior" in the first two Problem Child movies.

Thiago Neves Fragoso is a Brazilian actor, voice actor and singer.

Chris Lee Chih-cheng is a Taiwanese actor and model.

David F. Sandberg is a Swedish filmmaker. He is best known for his collective no-budget horror short films under the online pseudonym ponysmasher and for his 2016 directorial debut Lights Out, based on his 2013 acclaimed horror short of the same name. He also directed The Conjuring Universe spin-off horror film Annabelle: Creation (2017), Shazam! (2019), the seventh installment in the DC Extended Universe, and the experimental film I Flip You Off for Four Hours (2020).

Steve Brown is a television presenter, public speaker and athlete mentor as well as a former member and captain of the Great Britain wheelchair rugby squad.

Zachary Michael Cregger is an American actor, writer, director, and producer. He first came to prominence as one of the three founding members, alongside Trevor Moore and Sam Brown, of the New York City-based comedy troupe The Whitest Kids U' Know. He later starred in the sitcoms Friends with Benefits, Guys with Kids, and Wrecked. He also starred in the film Miss March, which he co-directed and co-wrote with Moore.