List of Famous people born on January 31st

Rob Hiaasen was an American journalist and assistant editor at The Capital, a newspaper published in Annapolis, Maryland. He also taught at the University of Maryland's Philip Merrill College of Journalism. A native of Plantation, then a rural suburb of Fort Lauderdale, Florida, Hiaasen began his career at The Palm Beach Post before joining The Baltimore Sun as a feature writer and where he later wrote a regular column. He was shot and killed at work at The Capital during the Capital Gazette shooting.

Yūya Onaka is a professional Japanese baseball player. He plays pitcher for the Hanshin Tigers.

Roque Valero Pérez is a Venezuelan singer, actor and politician.

Constantine II was Roman emperor from 337 to 340. Son of Constantine the Great and co-emperor alongside his brothers, his attempt to exert his perceived rights of primogeniture led to his death in a failed invasion of Italy in 340.

John Carroll Dye was an American film and television actor known for his role as Andrew in the spiritual television drama series Touched by an Angel.

Concepción Arenal Ponte was a graduate in law, thinker, journalist, poet and Galician dramatic author within the literary Realism and pioneer in Spanish feminism. Born in Ferrol, Galicia, she excelled in literature and was the first woman to attend university in Spain. She was also a pioneer and founder of the feminist movement in Spain.

Silke Lippok is a German swimmer. She competed at the 2012 Summer Olympics in the 200 m, 4 × 100 m and 4 × 200 m freestyle events and finished in 13th, 9th and 11th place, respectively. She won three European titles in these events in 2010–2012.

Ahmed Alaaeldin, commonly known as Ahmed Alaa, is an Egyptian born, naturalized Qatari footballer who currently plays for Al-Gharafa. He scored in the 2011 AFC Champions League game against Emirates Club.

Li Jinbin is a Chinese politician who has served as the Communist Party Secretary of Anhui since 2016. Originally from Sichuan province, Li spent his early career in Jilin province. He was Vice-Governor of Jilin from 2002 to 2007. He then worked briefly in Shaanxi before being transferred to Anhui to take on increasingly senior leadership roles.

Elizabeth Hobbs Keckley was a former slave who became a successful seamstress, civil activist, and author in Washington, DC. She was best known as the personal modiste and confidante of Mary Todd Lincoln, the First Lady.