List of Famous people born in December

Johan van der Velde is a former Dutch cyclist. In the 1980 Tour de France, he won the young rider classification, also placing 12th in the general classification that year. He had been a racing cyclist for only a year. In the 1981 Tour de France, he took first place on the second and 21st stages, finishing 12th overall for the second year. He rode with TI–Raleigh in the Tour de France from 1979 to 1983 and the Panasonic team where he won Stage 5 and wore the Yellow Jersey for two days in the 1986 Tour de France.

János Bolyai or Johann Bolyai, was a Hungarian mathematician, who developed absolute geometry—a geometry that includes both Euclidean geometry and hyperbolic geometry. The discovery of a consistent alternative geometry that might correspond to the structure of the universe helped to free mathematicians to study abstract concepts irrespective of any possible connection with the physical world.

Enrique de Borja y Aragón, was a Spanish noble of the House of Borgia. He was the Bishop of Squillace in Italy, and went on to become a Cardinal.

Arthur Trevor was an Irish politician.

Konstantinas Romualdas Dobrovolskis was a Lithuanian radiologist who was the Minister of Health of Lithuania from 2001 to 2003, serving in both Paksas Cabinet II and Brazauskas Cabinet I.

Júlio Chaves was a Brazilian voice actor who performed the Brazilian Portuguese language dubbing for numerous international actors and films. Chaves was the official Brazilian voice of several well-known film actors in releases in Brazil, including Rowan Atkinson, Andy Garcia, Mel Gibson, Dustin Hoffman, Jeremy Irons, and Tommy Lee Jones.