List of Famous people born on January 9th

John Joseph Flanagan was an Irish-American three-time Olympic gold medalist in the hammer throw, winning in 1900, 1904, and 1908.

Tommaso Reggio was an Italian Roman Catholic prelate who served as the Archbishop of Genoa from 1892 until his death. He was also the founder of the Sisters of Saint Martha. Reggio distinguished himself during an earthquake that struck his diocese in 1887. He tended to the injured in the rubble and led initiatives to direct diocesan resources towards the displaced and the injured; while in Genoa he collaborated with Bishop Giovanni Battista Scalabrini in tending to immigrants through a range of different pastoral initiatives.

Petronio Franceschini was a Baroque composer from Italy.

Henry John "Harry" Spanjer was an American lightweight and welterweight boxer who competed in the early twentieth century.

Otto Hunte was a German production designer, art director and set decorator. Hunte is considered as one of the most important artists in the history of early German cinema, mainly for his set designs on the early silent movies of Fritz Lang. His early career was defined by a working relationship with fellow designers Karl Vollbrecht and Erich Kettelhut. Hunte's architectural designs are found in many of the most important films of the period including Dr. Mabuse the Gambler, Die Nibelungen (1924), Metropolis (1927) and Der blaue Engel. Hunte subsequently worked as one of the leading set designers during the Nazi era. Post-Second World War he was employed by the East German studio DEFA.

Reinhard Keiser was a popular German opera composer based in Hamburg. He wrote over a hundred operas. Johann Adolf Scheibe considered him an equal to Johann Kuhnau, George Frideric Handel and Georg Philipp Telemann, but his work was largely forgotten for many decades.

Hammamizade İsmail Dede Efendi was a composer of Ottoman classical music.