List of Famous people born on October 21st

Hannah Mouncey is an Australian national squad handball player who also plays Australian rules football. Mouncey represented Australia in men's handball before transitioning. She has been the subject of controversy over her eligibility to participate in women's competitions. Mouncey debuted with the Australia women's national handball team at the 2018 Asian Women's Handball Championship.

Yasukazu Hamada is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet. A native of Futtsu and graduate of Senshu University he was elected to the House of Representatives for the first time in 1993.

Juri Takayama is a Japanese softball player who played as a pitcher between 1996 and 2004 in the Olympic Games. She won two medals for Japan.

Esteban Moctezuma Barragán is a Mexican politician formerly affiliated with the Institutional Revolutionary Party (PRI) and is currently a member of MORENA. He is a former senator and served as secretary of social development and secretary of the interior in the cabinet of President Ernesto Zedillo Ponce de León. From that position, early in January 1995, he pursued peace talks in Chiapas with the EZLN insurgents; in February the government pursued a strategy of military intervention, followed by a resumption of peace talks with the insurgents. In 2018, he was appointed by President Andrés Manuel López Obrador as Secretary of Education. On 16 December 2020, Moctezuma was nominated Ambassador of Mexico to the United States, subject to Senate confirmation.

Eugene Burton Ely was an aviation pioneer, credited with the first shipboard aircraft take off and landing.

Imanbek Maratuly Zeikenov, known mononymously as Imanbek, is a Kazakh electronic dance music producer. In 2019, he became known for his remix of Saint Jhn's "Roses". In 2021, Imanbek won a Grammy for his remix of "Roses", becoming the first Grammy recipient from Kazakhstan, and the first Grammy award winner in a non-classical category from within the CIS.

Shaun Playford Burgoyne is an Australian rules footballer who plays for the Hawthorn Football Club in the Australian Football League (AFL). He began his AFL career with the Port Adelaide Football Club, where he played from 2002 to 2009 before being traded to Hawthorn.

Hamza Mendyl is a Moroccan professional footballer who plays as a left-back for Schalke 04.

Masakazu Morita is a Japanese actor, voice actor and singer. He previously worked for Aoni Production. He is also the host of the radio show, Bleach B-Station. He played Ichigo Kurosaki in Bleach, Maeda Keiji in Sengoku Basara, Marco the Phoenix in One Piece series, Tidus in Final Fantasy X, Whis in Dragon Ball Super, Auel Neider in Mobile Suit Gundam Seed Destiny, Pegasus Seiya in Saint Seiya – Hades Chapter, Pod in Pokémon and Tenjuro Banno in Kamen Rider Drive. He won the "Best Rookie Actor" at the first Seiyu Awards. He is also the official Japanese dubbing roles for Zac Efron.

Radner Muratov was a Soviet film actor of Tatar ethnicity. He appeared in more than twenty films from 1955 to 1986.