List of Famous people born in January

Fiona Millar is a British journalist and campaigner on education and parenting issues. She is a former adviser to Cherie Blair. She contributes to The Guardian and the Local Schools Network website.

Bob Clearmountain is an American recording engineer, mixer and record producer. He has worked with many prominent names in music including Bruce Springsteen, The Rolling Stones as well as their Tattoo You album, Bryan Adams, Robbie Williams, Toto, Bon Jovi, Altered State, Simple Minds, and 235 other artists. He has been nominated for four Grammy Awards and won a Latin Grammy Award in 2007 for Best Male Pop Vocal Album for his work with engineering Ricky Martin's "MTV Unplugged". He has also won an Emmy and he has won seven TEC Awards for "Best Recording Engineer", two others for "Best Broadcast Engineer", one special "Les Paul Award" and a Monitor Award for the Rolling Stones' Voodoo Lounge pay-per-view show. He is married to Apogee Electronics CEO, Betty Bennett.

Gary K. Michelson is an American orthopedic surgeon, medical inventor, and billionaire philanthropist.

Radia Joy Perlman is an American computer programmer and network engineer. She is most famous for her invention of the spanning-tree protocol (STP), which is fundamental to the operation of network bridges, while working for Digital Equipment Corporation. She also made large contributions to many other areas of network design and standardization, such as link-state routing protocols.

Joe Renzetti is an American Academy Award-winning film composer, and session musician. He scores for films and television, and composes works for orchestra, chamber groups, and solo artists.

Giorgio Lattanzi is an Italian judge. He was Judge of the Constitutional Court of Italy from 9 December 2010 to 9 December 2019 and President from 8 March 2018 until the end of his mandate.

Gianni Dal Maso is an Italian mathematician who is active in the fields of partial differential equations, calculus of variations and applied mathematics.

Candyce Anne Rose Milo is an American actress. She has voiced various characters on many animated series including Tiny Toon Adventures, SWAT Kats: The Radical Squadron, Dexter's Laboratory, Cow and Chicken, ChalkZone, The Adventures of Jimmy Neutron, Boy Genius, Codename: Kids Next Door, My Life as a Teenage Robot, Loonatics Unleashed, Foster's Home for Imaginary Friends, Maya & Miguel, W.I.T.C.H., The Life and Times of Juniper Lee, The Replacements, and The Adventures of Puss in Boots.