List of Famous people who are 40

Maria Isabel Rebelo de Couto Cruz Roseta, who is known by the stage name Cuca Roseta, is a Portuguese fado singer, composer, and model. Roseta is considered one of the most important representatives of the new generation of fado. She has released seven studio albums with producers including Gustavo Santaolalla and Nelson Motta, has toured extensively, collaborated with several artists, and has appeared in the Portuguese versions of the television shows Got Talent, Rising Star, and Dancing with the Stars.

Yasuko Tajima is a former medley swimmer from Japan. She won the silver medal in the 400m Individual Medley at the 2000 Summer Olympics in Sydney, Australia.

El Fandi is statistically one of the most skilled matadors in the world. Currently, he is ranked number one among all bullfighters in Spain.

Colin Arthur O'Donoghue is an Irish actor and musician, best known for portraying Captain Killian "Hook" Jones on the TV show Once Upon a Time. He appeared in the 2011 horror thriller film The Rite (2011) as a skeptical novice priest, Michael Kovak. He is also portraying Gordon Cooper on Disney+ Original Series The Right Stuff. He starred in Dolly Parton's Heartstrings as J.J. Sneed

Malek Ali Mouath Al-Hawsawi is a former Saudi Arabian professional footballer.

Tiago Kadú Correa Girrulat, is a Chilean actor of films and telenovelas.

Judith Mahdavi Lefeber is a German singer, who came to fame as a finalist of the first season of the television show Deutschland sucht den Superstar, the German version of Pop Idol.

Mario Eggimann is a Swiss former footballer who played as a defender. He also earned caps for the Swiss national team.

Juan José Cobo Acebo is a retired Spanish professional road racing cyclist. He won the 2011 Vuelta a España as a Geox–TMC rider, his first and only major title but in July 2019 he was stripped of this title after being found guilty of doping by the UCI. He was considered a climber who also is able to time trial.

Leandro Daniel Somoza is an Argentine former professional footballer.