List of Famous people who are 42

Francisco Santos Mir III, known as Frank Mir, is an American mixed martial artist and professional wrestler who most recently competed for Bellator MMA in the Heavyweight division. He formerly competed in the Ultimate Fighting Championship (UFC) for sixteen years. A former two-time UFC Heavyweight Champion, he holds the record for the most finishes and the most submission victories in UFC Heavyweight history. Mir possessed the longest uninterrupted tenure of any fighter in UFC history, competing for the company from 2001 to 2016. He was the first man to knock out and the first to submit Antônio Rodrigo Nogueira.

Nicole Evangeline Lilly is a Canadian actress and author. She gained popular acclaim for her first leading role as Kate Austen in the ABC series Lost (2004–2010), which garnered her a nomination for the Golden Globe Award for Best Actress in a Drama Series and won her a Screen Actors Guild Award. In 2008, Lilly starred as Connie James in the Academy Award-winning war film The Hurt Locker (2008) and followed it with a role in the science fiction film Real Steel (2011).

Tituss Burgess is an American actor and singer. He has appeared in numerous Broadway musicals and is known for his high tenor voice. He is best known for starring as Titus Andromedon on the Netflix comedy series Unbreakable Kimmy Schmidt (2015–2020), for which he has received five Primetime Emmy Award nominations.

Michael Masi is an Australian motorsports director. Since March 2019 he has served as the FIA Formula One Race Director, Safety Delegate, Permanent Starter and head of the F1 Technical Department, in which capacities he generally manages the logistics of each F1 Grand Prix, inspects cars in parc fermé before a race, enforces FIA rules, and controls the lights that start each race.

Brandon Cole "Bam" Margera is an American skateboarder, stunt performer, television personality, and filmmaker. He came to prominence in the early 2000s as one of the stars of the MTV reality stunt show Jackass. He also created the Jackass spin-off shows Viva La Bam and Bam's Unholy Union and co-wrote and directed his films Haggard and Minghags.

Mathieu Bock-Côté, often referred to by his initials MBC, is a Canadian sociologist, essayist, writer and political commentator. An alumnus of the Université de Montréal (UdeM) and Université du Québec à Montréal (UQAM), from which he received his PhD, he worked at the Université de Sherbrooke as a chargé de cours, a position he currently holds at HEC Montréal. Bock-Côté, a noted columnist at Le Journal de Montréal, is known for his work and criticism on multiculturalism and immigration.

Robert Saleh is an American football coach who is the head coach of the New York Jets of the National Football League (NFL). He previously served as the defensive coordinator of the San Francisco 49ers from 2017 to 2020 and has also served as an assistant coach for the Jacksonville Jaguars, Seattle Seahawks and Houston Texans.

Jeannie Camtu Mai is an American television host and stylist. She is best known for her work on the makeover show How Do I Look? and the syndicated daytime talk show The Real. As a fashion expert, she is frequently featured on television programs such as Today, Extra TV, Entertainment Tonight, and Insider. She has also appeared as a host for E! as well as the Miss Universe pageant. She is currently a sideline reporter on Holey Moley on ABC.

Elizabeth Jean "Busy" Philipps is an American actress. She is best known for her roles on the television series Freaks and Geeks (1999–2000), Dawson's Creek (2001–2003), Love, Inc. (2005–2006) and ER (2006–2007), for her abortion access advocacy, and for her portrayal of Laurie Keller on the ABC series Cougar Town (2009–2015), for which she received a Critics' Choice Television Award. She has also appeared in supporting roles in numerous films, such as The Smokers (2000), Home Room (2002), White Chicks (2004), Made of Honor (2008), He's Just Not That Into You (2009), The Gift (2015), and I Feel Pretty (2018). From 2018 to 2019, Philipps hosted her own television talk show Busy Tonight, on E!.

Jonathan Huber was an American professional wrestler and actor. He was best known for his tenure in WWE, where he performed under the ring name Luke Harper from 2012 to 2019, and in All Elite Wrestling (AEW), where he performed under the ring name (Mr.) Brodie Lee in 2020.