Celebrities with first name: Alex

Alex O'Loughlin (born 24 August 1976) is an Australian actor, writer, director, and producer, who portrayed Lieutenant Commander Steve McGarrett on CBS' remake of the TV series Hawaii Five-0 (2010–2020). He had starring roles in the films Oyster Farmer (2004) and The Back-up Plan (2010), as well as on such television series as Moonlight (2007–2008) and Three Rivers (2009–2010).

Alexander David Turner (born 6 January 1986) is an English musician, singer, songwriter, and record producer. He is best known as the frontman and principal songwriter of the rock band Arctic Monkeys, with whom he has released six albums. He has also recorded with his side project The Last Shadow Puppets and as a solo artist.

Alexandra Virina Scott MBE (born 14 October 1984) is an English sports presenter, pundit, and former professional footballer who mostly played as a right-back for Arsenal in the FA WSL. She made 140 appearances for the England national team and represented Great Britain at the 2012 Summer Olympics.

Alexander William "Alex" Gaskarth (born December 14, 1987), is an English-American musical artist, recording artist, musician, singer, songwriter and podcast host, best known as the lead vocalist, rhythm guitarist, and primary songwriter of the American rock band All Time Low.

Alexander Orbi Lee Orbison (born May 25, 1975), also known as Orbi, is an American drummer, writer, director, and film producer. He is the president of Still Working Music Group, a publishing company. He is also president and co-founder of Roy's Boys LLC, which manages the legacy of his father, musician Roy Orbison; the organization also includes his brothers, Roy Orbison Jr. and Wesley Orbison.

Alexander David Linz (born January 3, 1989) is an American former child actor who starred in several late 1990s and early 2000s films and television programs. His film roles include Home Alone 3 (1997) and Max Keeble's Big Move (2001).

Alexander Draper Wolff (born November 1, 1997) is an American actor, singer, writer, producer, and director.

Alex McArthur (born March 6, 1957) is an American actor.

George Alexander Trebek OC (July 22, 1940 – November 8, 2020) was a Canadian-American television personality and game show host. He was the host of the syndicated game show Jeopardy! for 36 years from its revival in 1984 until his death in 2020. He also hosted a number of other game shows, including The Wizard of Odds, Double Dare, High Rollers, Battlestars, Classic Concentration, and To Tell the Truth. Trebek also made appearances in numerous television series, in which he usually played himself.