List of Famous people who are 42

Graeme McDowell MBE is a professional golfer from Northern Ireland who plays on both the PGA Tour and European Tour. He is well known for winning the 2010 U.S. Open at Pebble Beach, where he ended a 40-year drought for Europeans at the tournament.

David Russell Weir is a British Paralympic wheelchair athlete. He has won a total of six gold medals at the 2008 and 2012 Paralympic Games, and has won the London Marathon on eight occasions. He was born with a spinal cord transection that left him unable to use his legs.

Gisela Lladó Cánovas, known mononymously as Gisela, is a Spanish pop singer and voice actress. She was born in El Bruc (Barcelona), in Catalonia, Spain and studied journalism at the Autonomous University of Barcelona before becoming famous after placing eighth in the first Spanish edition of Operación Triunfo in 2001. She is also known for representing Andorra in the Eurovision Song Contest 2008 in Belgrade, Serbia.

Garrett Robin Hamler, better known professionally as Sean Garrett, is an American R&B singer, songwriter and record producer. Garrett is responsible for a series of chart-topping compositions, most notably Usher's "Yeah!" which ranks second on the Billboard Hot 100 Songs of the Decade for 2000–2009, and other songs written by him which include Ciara's breakout track "Goodies", Teairra Marí's debut single "Make Her Feel Good", Mario's single "Break Up", Nicki Minaj's first single "Massive Attack", Pussycat Dolls's hit single "Buttons" and Britney Spears' "Toy Soldier".

Li Mei-jhen, also known as Jane Lee, is a Taiwanese politician.

Jennifer Murphy is an American actress, YouTube personality, entrepreneur, and speaker. Murphy has competed in beauty pageants, having been a top-ten finalist at Miss USA 2004.

Senhit Zadik Zadik, known professionally as simply Senhit, is an Italian singer. She represented San Marino in the Eurovision Song Contest 2011 with "Stand By" and would have represented it again in 2020 with "Freaky!". On 18 May 2020, SMRTV announced that Senhit would represent San Marino at the Eurovision Song Contest 2021 with the song "Adrenalina".

Mark Andrew Twitchell is a Canadian filmmaker, and artist, convicted of first-degree murder in 2011 of John Brian "Johnny" Altinger. His trial attracted particular media attention because Twitchell had allegedly been inspired by the fictional character Dexter Morgan.

Mehmet Akif Alakurt is a Turkish actor and model.

Ryota Igarashi is a Japanese former professional baseball pitcher. He has played in Nippon Professional Baseball (NPB) for the Tokyo Yakult Swallows, Fukuoka SoftBank Hawks and Major League Baseball (MLB) for the New York Mets, Toronto Blue Jays and New York Yankees.