List of Famous people born in January

Giovanni Jona-Lasinio, sometimes called Gianni Jona, is an Italian theoretical physicist, best known for his works on quantum field theory and statistical mechanics. He pioneered research concerning spontaneous symmetry breaking, and the Nambu–Jona-Lasinio model is named after him. When Yoichiro Nambu received the Nobel Prize, Jona-Lasinio gave the Nobel Lecture in his place, as a recognition from Nambu for their joint work. At present, he holds a faculty position in the Physics Department of Sapienza University of Rome, and is a full member of the Accademia dei Lincei.

David William Yelland is an English film, stage and television actor.

Ursula Sladek owns a small local power company, Schönau Power Supply, located in Schönau im Schwarzwald, Germany, that provides electricity from renewable energy sources to the German electricity grid. Her company "gets much of its energy from small local energy producers, including a handful of hydropower operations, solar panels, some wind turbines, and about 20 washing-machine-size co-generation plants in people’s homes that produce both heat for the home and electricity for the grid". Sladek has also been interested in finding ways of rendering nuclear power unnecessary in Germany: Sladek won a Goldman Environmental Prize in 2011.

Richard Vincent Allen was the United States National Security Advisor to President Ronald Reagan from 1981 to 1982, having been Reagan's chief foreign policy advisor from 1977. He has been a fellow of the Hoover Institution since 1983. He is a past member of the Defense Policy Board Advisory Committee.

Alexei Viktorovich Sivakov is a former Russian cyclist. He is the father of fellow cyclist Pavel Sivakov.

Daniela Knapp is an Austrian cinematographer. Her film credits include Eine Insel namens Udo, Edeltraud und Theodor, The Poll Diaries and Emma's Bliss.

Stephen Carr is an Australian former pair skater. With his sister, Danielle, he is a nineteen-time (1980–1998) Australian national champion. They competed at the 1992 Winter Olympics, placing 13th, the 1994 Winter Olympics, placing 11th, and the 1998 Winter Olympics, again placing 13th. They retired from competitive skating around 1998. During their career, they were coached by Sergei Shakhrai and Kerry Leitch.