List of Famous people born in December

Johann Nikolaus Harnoncourt or more correctly Johann Nikolaus Graf de la Fontaine und d'Harnoncourt-Unverzagt; was an Austrian conductor, particularly known for his historically informed performances of music from the Classical era and earlier. Starting out as a classical cellist, he founded his own period instrument ensemble, Concentus Musicus Wien, in the 1950s, and became a pioneer of the Early Music movement. Around 1970, Harnoncourt started to conduct opera and concert performances, soon leading renowned international symphony orchestras, and appearing at leading concert halls, operatic venues and festivals. His repertoire then widened to include composers of the 19th and 20th centuries. In 2001 and 2003, he conducted the Vienna New Year's Concert. Harnoncourt was also the author of several books, mostly on subjects of performance history and musical aesthetics.

Ronald Jeffery Brace III was an American football nose tackle. He was drafted by the New England Patriots in the second round of the 2009 NFL Draft as a defensive end. He played college football at Boston College.

Hideo Murai was a member of the Aum Shinrikyo cult and one of the perpetrators responsible for the Sakamoto family murder.

Sanjay Gandhi was an Indian politician and the son of Indira Gandhi. He was a member of the Nehru–Gandhi family. During his lifetime, he was widely expected to succeed his mother as head of the Indian National Congress, but following his early death in a plane crash his elder brother Rajiv became their mother's political heir, and succeeded her as Prime Minister of India after her assassination. His wife Maneka Gandhi and son Varun Gandhi are politicians in the Bharatiya Janata Party.

Gary Charles Peters Sr. is an American politician serving as the junior United States Senator from Michigan since 2015. A member of the Democratic Party, he was the U.S. Representative for Michigan's 14th congressional district, which includes the eastern half of Detroit, the Grosse Pointes, Hamtramck, Southfield, and Pontiac, from 2013 to 2015. He represented Michigan's 9th congressional district from 2009 to 2013.

Katherine Elaine Hendrix is an American actress, model, producer, singer, dancer, and activist. She is known for her roles in the 1995 Get Smart series, the 1998 remake of The Parent Trap, Dynasty, Inspector Gadget 2, and the 2009 documentary film What the Bleep Do We Know!?

Sam Wang is a Taiwanese actor, singer and a model. Sam is a member of two Taiwanese groups 5566 and 183 Club. At one point, he played on the Taiwan national soccer team.

Mark David Duplass is an American filmmaker, actor, writer, and musician. He is the brother of filmmaker Jay Duplass, and together the brothers started the film production company Duplass Brothers Productions in 1996, and have written and directed the films The Puffy Chair (2005), Baghead (2008), Cyrus (2010), Jeff, Who Lives at Home (2011), and The Do-Deca-Pentathlon (2012). Duplass played the role of Pete Eckhart in the FX television series The League (2009–2015). He was also one of the stars of Safety Not Guaranteed (2012) with Aubrey Plaza.

Mário Alberto Nobre Lopes Soares, GColTE, GCC, GColL was a Portuguese politician, who served as Prime Minister of Portugal from 1976 to 1978 and from 1983 to 1985, and subsequently as the 17th President of Portugal from 1986 to 1996. He was the first Secretary-General of the Socialist Party, from its foundation in 1973 to 1986.

Dika Angkasaputra Moerwani, commonly known as Raditya Dika, is an Indonesian author, actor, movie director, and social media personality. Became famous as a komika and representing stand-up comedy to larger viewer in Indonesian television program