List of Famous people who are 40

Ryan T. Anderson is an American political philosopher who is best known for his opposition to same-sex marriage. He is currently the William E. Simon Senior Research Fellow at The Heritage Foundation. He is also the founder and editor-in-chief of Public Discourse, the Witherspoon Institute's online journal.

Aurore Auteuil is a French actress and the eldest daughter of Anne Jousset and Daniel Auteuil.

Fırat Çelik is a Turkish-German actor.

Kerry-Anne Mendoza is an English writer, journalist and social commentator. She is the editor-in-chief of The Canary, a left-wing new media outlet.

Mohamed Abdullah Zidan is an Egyptian retired professional footballer who played as a striker.

Yumiko Cheng is a Hong Kong Cantopop singer. Cheng was given the Japanese nickname "Yumiko" by her friends in secondary school, and upon signing with EEG, adopted it as her official stagename.

Andrey Uladzimiravich Dzmitryeu is a Belarusian social activist, politician and candidate in the 2020 Belarusian presidential election. He is the current co-chairman of the Tell the Truth, a political movement which is known for raising its voice and vocal criticism of Alexander Lukashenko's authoritarian rule.

Yulia Alexandrovna Zimina is a Russian film actress and TV presenter.

Pierre Lapointe is a Canadian singer-songwriter. His work largely follows in the tradition of French chanson, though he is influenced by modern pop music. Defining himself as a "popular singer", he has built an egocentric persona of a dandy onstage, but says he does this mostly to deflect attention from himself. His records have found critical and commercial success in Canada.

Anna Trebunskaya is a Russian born American professional ballroom and Latin dancer, known for her appearances on Dancing with the Stars. She now lives in Los Angeles and dances in the International Latin style.