List of Famous people who are 51

Fulvio Fabrizio Rossi Ciocca is a Chilean politician and physician.

Stanislav Konstantinovich Smirnov is a Russian mathematician currently working at the University of Geneva. He was awarded the Fields Medal in 2010. His research involves complex analysis, dynamical systems and probability theory.

Daniel ("Danny") Wilhelmus Maria Nelissen is a Dutch former professional road bicycle racer and former sports commentator at Eurosport. He won the 1995 amateur world championship and was named Dutch Sportsman of the year. He was the nephew of cycling commentator Jean Nelissen.

Matthew Scott Murphy is an American entrepreneur and politician. He represented parts of New York state's Capital District in the United States House of Representatives for a portion of one term from April 2009 until January 2011. He was defeated for election to a full term on November 2, 2010.

Robert Ben Garant is an American screenwriter, producer, director, actor and comedian. He has a long professional relationship with Thomas Lennon and Kerri Kenney-Silver from their time on the seminal sketch-comedy show The State, the cop show spoof Reno 911!, and numerous screenwriting collaborations.