List of Famous people born on December 21st

Millie Elizabeth Hughes-Fulford is an American medical investigator, molecular biologist and former NASA astronaut who flew aboard a NASA Space Shuttle mission as a Payload Specialist.

Kotaro Yanagi is a Japanese actor.

Oleg Viktorovich Rylkov, known as The Tolyatti Ripper, is a Russian serial killer, rapist and pedophile. Between 1992 and 1997, he raped 37 underage girls and killed 6 people in the city of Tolyatti, in the Samara Oblast.

Jonathan David Gómez Espinoza is an Argentine professional footballer who plays as an attacking midfielder for Argentinos Juniors.

Johnny Lozada Correa is a Puerto Rican singer, actor, host, and television personality.

Claudia Maria Poll Ahrens is a Costa Rican swimmer who competes in the 200 m to 800 m freestyle events. She is Costa Rica's only Olympic gold-medalist, having won the country's first Olympic gold medals at the 1996 Olympics in the 200 meter freestyle. She is a multiple national record holder in the freestyle events.

Ricardo Magnus Osório Galvão is a prominent Brazilian physicist and engineer, formerly the Director-General of the National Institute for Space Research. He is a full Professor of the Institute of Physics of the University of São Paulo, member of the Brazilian Academy of Sciences, fellow of the Institute of Physics and councilman of the European Physical Society. Galvão has occupied major positions within the Brazilian Physics community such as the presidency of the Brazilian Physical Society (2013–2016) and the directorship of the Brazilian Center for Research in Physics (2004–2011).

Pedro Sampaio is a Brazilian singer and music producer, known for the songs "Sentadão", "Bota Pra Tremer" and "Chama Ela", in partnership with the singer Lexa. He is signed to Warner Music Brasil.

Esperidião Amin Helou Filho is a Brazilian politician. Born to a family of businessmen and politicians of Lebanese origin, he was twice elected governor of the state of Santa Catarina and twice mayor of the city of Florianópolis, its capital. He was Senator of the Republic between 1991 and 1999 and national president of the Progressive Party. In 1994, he ran for President of Brazil, but was not elected. He is married to Angela Amin, a federal congresswoman in the National Congress of Brazil and twice mayor of Florianópolis.

Hikari Kajiwara is a Japanese actress. She is represented with Hirata Office.