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Jay Landsman (played by Delaney Williams) is a fictional homicide detective in the Baltimore Police Department in the TV show The Wire. He is based on and named after a real BPD homicide detective, who was featured in the book Homicide: A Year on the Killing Streets by David Simon, who created The Wire. The real Jay Landsman also played the character Dennis Mello in The Wire.

Jay Laga'aia is a New Zealand-Australian actor and singer. He is known internationally for his role as Captain Typho in the films Star Wars: Episode II – Attack of the Clones and Star Wars: Episode III – Revenge of the Sith.

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Laga'aia is noted for his television roles, including Senior Constable Tommy Tavita in the Australian police drama Water Rats, lawyer David Silesi in the New Zealand legal drama Street Legal and Elijah Johnson in the long running Australian soap opera Home and Away.

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He currently appears in an Australian Children's TV Series called Jay's Jungle, which has been broadcast since 2015. He is a regular feature on Australian kids program Play School.

Jay Ryan (born Jay Bunyan) is a New Zealand actor. He is best known for his roles as Jack Scully in the Australian soap opera Neighbours, Kevin in the New Zealand comedy-drama programme Go Girls, Mark Mitcham in the internationally produced New Zealand television programme Top of the Lake, Vincent Keller in the American television series Beauty & the Beast and Detective Ben Wesley in the Canadian television series Mary Kills People.

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Ryan made his feature film breakthrough playing adult Ben Hanscom in It Chapter Two, a sequel to the 2017 horror film It, based on the 1986 novel of the same name.

Jay Wan-him Fung (Chinese:馮允謙) is a Hong Kong-Canadian singer-songwriter. He won the 1st runner up in The Voice 3. Born in Hong Kong and raised in Edmonton, Canada, his style of singing is deeply influenced by Western pop music. He signed a contract with Music Plus Label at 2012 and debuted with the song "Starting From Today"(今天開始). In 2018, he joined Media Asia Music.

Jay from Ninjago.

Jay Ferguson from the band Sloan.

Jay Pritchett from Modern Family.

Jay from the Kubz Scouts.

Jay from Ninjago.

A famous bearer is Robert Jay Perez, who shares a YouTube channel that has over 2 million subscribers with his girlfriend. Online he goes by Jay.

Jay Ward, creator of Rocky and Bullwinkle.

Jay is a character in the game Puyo Puyo Tetris. He is based on the J-shaped tetromino (Tetris piece).

Jay Walker is the Blue Ninja of Lightning in Ninjago: Masters of Spinjitzo.

Jay Park is an American singer, songwriter, rapper, dancer, record producer, model, choreographer, entrepreneur and actor. He is a member of the Seattle-based b-boy crew, Art of Movement, and founder and CEO of the independent hip hop record label AOMG & His New Global Label H1GHR MUSIC. As Park grew up as a b-boy and dancer, he has become known for these skills, as well as his charismatic performances and stage presence. Park was described as a "born entertainer" by Korean pop singer Patti Kim, and The New York Times quoted the president of digital music distributor DFSB Kollective describing Park as "not just an artist, but also his own PR agent, fan club president, and TV network." Park also branched out into entrepreneurship where he became the founder and CEO of the AOMG, a Korean independent record label specializing in hip hop.

Jay Barker is a former professional American football quarterback, and a current Birmingham radio personality. Barker attended Hewitt-Trussville High School in Trussville, Alabama, where his football career began. He graduated in 1990.

It was the middle name of Justice Ackles, the daugther of Jensen Ackles.

Jay Phillip McGraw is the son of Phil McGraw and Robin McGraw. He has one younger brother, Jordan. He has written several books aimed at young people. He has also appeared on the Dr. Phil show.

Jay DeMarcus is an American bassist, vocalist, pianist, record producer and songwriter. He is a member of the country group Rascal Flatts. DeMarcus was born in Columbus, Ohio. He graduated from the Tree of Life Christian School in Columbus while living with his mother and sister. He also has a half-sister from his father's side of the family. DeMarcus attended Lee College in Cleveland, Tennessee, from 1990 to 1992. At the time, he traveled and performed as a keyboard player in the Christian music group New Harvest, led by Danny Murray.

Jay Chou is a Taiwanese musician, singer, songwriter, record producer, film producer, actor and director. In 2000, Chou released his debut album, titled Jay (2000), under the record company Alfa Music. Since then his music has gained recognition throughout Asia, most notably in regions such as Taiwan, Mainland China, Hong Kong, Singapore, Malaysia, Indonesia, Korea, Japan and in the Asian communities of Western countries such as the United States and Australia. He has sold more than 30 million albums and has received numerous awards for his musical works. Chou has also written songs for other artists whilst working on his albums. In 2003, he was the cover story of Time magazine (Asia version), titled New King of Asian Pop, acknowledging his influence on popular culture. He has since held six world tours, performing in cities around the world to more than 10 million people. Chou debuted his acting career in the film Initial D (2005); followed shortly by his role as the honorable son, Prince Jai, in the multi-nominated Mandarin Chinese epic, Curse Of The Golden Flower (2006). He has since ventured into many other movie projects, becoming known to western audiences when he made his Hollywood debut in 2011 with The Green Hornet, starring alongside Seth Rogen and Christoph Waltz. Chou also manages his own record and management company JVR Music. In 2016, he re-entered Hollywood to play a role named Li in the film, Now You See Me 2.

Famous bearer is Jay Gatsby. Or James.

Jay, a character from Marble Hornets.

Jay DeMarcus, bassist of Rascal Flatts. :)

Jay Leno, comedian and former host of The Tonight Show.

A famous bearer of this name is Denver Broncos quarterback Jay Cutler.

Jay L. Schottenstein, chairman of American Eagle Outfitters.

Jay Kay, frontman of English band Jamiroquai. Great singer, songwriter and dancer.

Homer Simpson's middle name is Jay.

Jay Robinson - an actor probably best known for his riotous and famous role as Emperor Caligula in "The Robe" (1953) and "Demetrius and the Gladiators." (1954). I am not sure of his real name. I don't think Jay is an independent name.

Jay Gatsby, the title character of The Great Gatsby by F. Scott Fitzgerald.

Jay Scott Greenspan is the real name of actor Jason Alexander.