List of Famous people who are 40

Martín Leandro Castrogiovanni is a retired Italian rugby union player. Born in Paraná, Argentina, Castrogiovanni qualified for Italy through his heritage, he moved to Italy as a teenager and represented the Italian national team 119 times over 14 years. In Italy he played for Calvisano between 2001 and 2006, before moving to England to play for Leicester Tigers where he played 145 games over 7 seasons, winning three Premiership Rugby titles. In 2013 he moved to Toulon where he won a Heineken Cup, before finishing his career with Racing 92 in Paris.

Dmytro Kuleba is the Vice Prime Minister of Ukraine for European and Euro-Atlantic Integration of Ukraine since August 29, 2019. He had been the Permanent Representative of Ukraine to the Council of Europe between 2016 and 2019.

Yfke Sturm is a Dutch model.

Julio Andrés Arca is an Argentine former professional footballer, who played as a left-back or central midfielder. Arca spent the majority of his career in the North East of England, firstly for Sunderland from 2000 to 2006, and then for Middlesbrough from 2006 to 2013. He retired from professional football following his release from Middlesbrough, and subsequently played Sunday League football for Willow Pond for the 2014–15 season. He later signed for South Shields, in addition to his return to Sunderland as part of the club's youth coaching staff.

María Carolina Figueroa Molina better known as La Rancherita, is a Chilean singer.

Artur Guilherme Moraes Gusmão is a former Brazilian professional footballer who played as a goalkeeper.

Bastian Steger is a German table tennis player. He competed for Germany at the 2012 Summer Olympics where he won a bronze medal in the team event. He also won the bronze medal in the men's team event during the 2016 Summer Olympics in Rio de Janeiro.

Koji Morisaki is a former Japanese football player. His twin brother Kazuyuki Morisaki is also footballer.

Jerome Charles White Jr., better known by his stage name Jero (ジェロ), is an American enka singer of African-American and Japanese descent who is the first black enka singer in Japanese music history. In 2018, Jero announced that he was taking an indefinite hiatus from his music career to focus on a career in computers.

Luke Ford is a Canadian-Australian actor.