List of Famous people who are 18

Mathis Rayan Cherki is a French professional footballer who plays as attacking midfielder for Lyon.

Jack Dylan Grazer is an American actor. He played the part of Eddie Kaspbrak in It, the feature film adaption of Stephen King's novel It, and reprised his role in the film's 2019 sequel. He also starred on the CBS series Me, Myself, and I, and portrayed Freddy Freeman in the 2019 DC Comics film Shazam! and Frazer Wilson in the 2020 HBO drama television series We Are Who We Are.

Hannibal Mejbri is a Tunisian-French professional footballer who plays as a midfielder for Premier League club Manchester United.

Mason McTavish is a Swiss-born Canadian ice hockey centre currently playing for the Anaheim Ducks of the National Hockey League (NHL). McTavish was selected third overall by the Ducks in the first round of the 2021 NHL Entry Draft.

Anna Cathcart is a Canadian actress. She became known for starring in season two of Odd Squad (2016–2019) as Agent Olympia. From 2018 to 2021, Cathcart gained wide recognition for portraying Kitty Covey in Netflix's To All the Boys I've Loved Before film series (2018–2021). She is also known for portraying Dizzy Tremaine in Disney Channel's Descendants 2 (2017) and Descendants 3 (2019) and Zoe Valentine in the Brat web-based series of the same name (2019) and Spring Breakaway (2019).

Tomokazu Harimoto is a Japanese table tennis player. In 2018, He won the 2018 World Junior Singles and Team Title at the ITTF 2018 World Junior Championship for Japan. The previous players to win the title were Kenta Matsudaira, Koki Niwa, and Jun Mizutani (Teams).

Karamoko Kader Dembélé is a professional footballer who plays as a winger for Scottish Premiership club Celtic, and has been called up to represent both Scotland and England at youth level. He attracted media attention in October 2016 when he made his debut for Celtic's under-20 development team at the age of 13.

Louie Mark Barry is an English professional footballer who plays as a striker and winger for Aston Villa. Having spent a decade in the West Bromwich Albion Academy he moved to Barcelona in 2019 and subsequently joined Aston Villa in January 2020. Barry has represented England and the Republic of Ireland at youth international level.

Sepe Elye Wahi is a French professional footballer who plays as a forward for Ligue 1 club Montpellier.