List of Famous people who are 40

Shigeki Ushida is a Japanese former Nippon Professional Baseball pitcher.

Rafael Anibal Montiel Cuéllar is a Colombian professional road cyclist, who last rode for UCI Continental team Orgullo Paisa. On 29 April 2015, Montiel won the opening stage of the Tour of the Gila, after catching the breakaway on the slopes of the last climb and soloing to the mountaintop finish.

Alejandro Ramírez Calderón is a Colombian former road racing cyclist.

Nadifa Mohamed is a Somali-British novelist. She featured on Granta magazine's list "Best of Young British Novelists" in 2013, and in 2014 on the Africa39 list of writers aged under 40 with potential and talent to define future trends in African literature. Her 2021 novel, The Fortune Men, was shortlisted for the 2021 Booker Prize, making her the first British Somali novelist to get this honour. She has also written short stories, essays, memoirs and articles in outlets including The Guardian, and contributed poetry to the anthology New Daughters of Africa. She was also a lecturer in Creative Writing in the Department of English at Royal Holloway, University of London until 2021. She will be Distinguished Writer in Residence at New York University in Spring 2022.

Namrata Rao is an Indian film editor, who works in Hindi cinema, where starting with Oye Lucky! Lucky Oye! (2008), she edited films like Ishqiya (2010), Band Baaja Baaraat (2010), Ladies vs Ricky Bahl (2011) and Kahaani (2012). She is most famous for editing and acting in the film Love Sex Aur Dhokha (2010) for which she received the Filmfare Award for Best Editing in 2011. She received National Film Award for Best Editing and Filmfare Award for Best Editing for the critically acclaimed Kahaani (2012).