List of Famous people who are 40

Sheridan Smith, OBE is an English actress, singer, and presenter from Epworth, England. Smith came to prominence after playing a variety of characters on sitcoms such as The Royle Family (1998–2012), Two Pints of Lager and a Packet of Crisps (2001–2009), Gavin & Stacey (2008–2010), and Benidorm (2009). She played the role of Joey Ross on the drama series Jonathan Creek (2009–2013) and went on to receive acclaim for starring in a succession of television dramas, such as Mrs Biggs (2012), Cilla (2014), The C Word (2015), Black Work (2015), and The Moorside (2017). Her feature film credits include Tower Block (2012), Quartet (2012), and The Huntsman: Winter's War (2016).

Sweety Shetty, known by her stage name Anushka Shetty, is an Indian film actress and model who predominantly works in the Telugu and Tamil film industries. She has received several accolades, including three CineMAA Awards, a Nandi Award, TN State Film Awards and three Filmfare Awards from eight nominations. Anushka, who has appeared in over 50 films, is one of the highest-paid actresses in India and is popularly referred as Lady Superstar of South Indian cinema.

Georges St-Pierre is a Canadian former professional mixed martial artist. He is widely regarded as one of the greatest fighters in mixed martial arts (MMA) history. St-Pierre was a two-division champion in the Ultimate Fighting Championship (UFC), having won titles in the welterweight and middleweight divisions.

Laura Pergolizzi, known professionally as LP, is an American singer and songwriter, best known for her single "Lost on You". She has released five albums and three EPs. She has written songs for other artists including Cher, Rihanna, the Backstreet Boys, Leona Lewis, Mylène Farmer, Céline Dion and Christina Aguilera.

Sarah Nicole Harding is an English singer, model, and actress. She rose to fame in late 2002 when she auditioned for the ITV reality series Popstars: The Rivals. The programme announced that Harding had won a place as a member of the girl group, Girls Aloud. The group achieved twenty consecutive top ten singles in the UK, six studio albums that were certified platinum by the British Phonographic Industry (BPI), two of which went to number one in the UK, and accumulated a total of five BRIT Award nominations. In 2009, Girls Aloud won "Best Single" with their song "The Promise".

Jan Böhmermann is a German satirist, podcast, and television host. He also worked as a writer, producer, radio host, and is best-known for his activism through publicity stunts.

Attila Klaus-Peter Hildmann is a German vegan cookbook author and far-right conspiracy theorist. He has described himself as "ultra-right-wing" and as a German nationalist. He was repeatedly characterized as antisemitic.

Maximiliano Rubén "Maxi" Rodríguez is an Argentine footballer who plays for Newell's Old Boys. Nicknamed La Fiera, he is commonly used as a winger on both flanks but can also operate as an attacking midfielder.

Luke Hemsworth is an Australian actor who is known for his roles as Nathan Tyson in the TV series Neighbours and as Ashley Stubbs in the HBO sci-fi series Westworld.

Vincent Lamar Wilfork is a former American football nose tackle who played in the National Football League (NFL) for 13 seasons, primarily with the New England Patriots. He played college football for the University of Miami and was drafted by the Patriots in the first round of the 2004 NFL Draft, and spent the first 11 years of his career there. Wilfork is considered to be one of the greatest defensive tackles in NFL history, and was named both to the Pro Bowl and the All-Pro team in 2007, 2010, 2011, and 2012. He also played two seasons for the Houston Texans before retiring following the 2016 season.