List of Famous people who are 40

Gaby Diana Ahrens is a Namibian sport shooter. She competed at the 2008, 2012 and 2016 Summer Olympics in the women's trap event.

Paulina Agata Brzeźna-Bentkowska is a Polish professional road racing cyclist riding for Polish team TKK Pacific Toruń.

Chakri Toleti is an Indian American screenwriter, director, actor, and visual effects coordinator known for his works in Tamil cinema, and Hindi cinema. Chakri made his directorial debut with the bilingual films Unnaipol Oruvan (2009) and Eeenadu (2009) a remake of Neeraj Pandey's Hindi film, A Wednesday (2008). In 2012, he directed a gangster film Billa II.

Andrei Vladimirovich Karpovich is a retired Kazakh footballer.

David de la Fuente Rasilla is a Spanish professional road bicycle racer, who currently rides for UCI Continental team Louletano–Loulé Concelho. De la Fuente led the mountains classification of the 2006 Tour de France for a number of stages, donning the Polka Dot jersey after stage 2, and then again after stage 11 until Michael Rasmussen took a commanding lead in the competition. For his numerous attacks, de la Fuente was subsequently awarded the combativity award.