List of Famous people who are 51

Raphaël Colantonio is a French video game designer, and was the founder and for 18 years president of Arkane Studios. He has served as creative director on several of Arkane's titles, including co-creator with Harvey Smith for the Dishonored series.

David Hiram Mandel is an executive producer and showrunner of Veep, and was also an executive producer and director of Curb Your Enthusiasm and Seinfeld. He is also a comedian, and one of the producer-directors of the teen-comedy Eurotrip. He was a writer for Seinfeld during its seventh, eighth, and ninth seasons and also co-wrote the screenplay for the 2003 film adaptation of The Cat In The Hat. He is one of the creators of Clerks: The Animated Series, and he was a writer for Saturday Night Live. He had a brief stint as a host of Dave and Steve's Video Game Explosion, a comedy video game review show that aired late nights on TBS as part of the Burly Bear Network. The show only lasted a few episodes before the entire block was canceled.

Pedro Proença Oliveira Alves Garcia is a retired Portuguese football referee.

Shikishima Katsumori is a former sumo wrestler from Funabashi, Chiba, Japan. He made his professional debut in January 1989, and reached the top division in November 1994. His highest rank was maegashira 1. He defeated Takanohana twice in 1998 to earn his only two kinboshi for a yokozuna upset. His stablemaster, former sekiwake Aonosato retired in November 2000 and he moved from Tatsutagawa stable to Michinoku stable. He retired in May 2001 after being diagnosed with a heart ailment, and has remained in sumo as an elder of the Japan Sumo Association and coach at Michinoku. He has borrowed a succession of elder names since his retirement. Since 2013 he has been known as Urakaze.

Pedro Jóia is a Portuguese guitarist, composer, and musical director. He is considered one of the top Portuguese guitar players.