List of Famous people who are 18

Yusuf Demir is an Austrian professional footballer who plays as a forward for Spanish team Barcelona B, on loan from Rapid Wien, and the Austria national team.

Sunisa Lee is an American artistic gymnast and part of the United States women's national gymnastics team. She was a member of the team that won gold at the 2019 World Championships, where she also won silver on the floor exercise and bronze on the uneven bars. She won three medals at the USA Gymnastics National Championships during her first year as a senior elite gymnast, including a national title on the uneven bars.

Marcelo Flores Dorrell is a professional footballer who plays as a midfielder for Arsenal U18. Born in Canada, he represents the Mexico national team.

Alireza Firouzja is an Iranian chess player. He won the Iranian Chess Championship at the age of 12, and earned the Grandmaster title at the age of 14. He is the second-youngest player ever to reach a rating of 2700, accomplishing this at the age of 16 years and 1 month. As of November 2019, Firouzja was the No. 1 ranked Iranian player and the No. 1 U16 player in the world with a FIDE rating of 2720. In December 2019, Firouzja announced that he would no longer play under the Iranian flag, after Iran withdrew its players from the 2019 World Rapid and Blitz Championship to uphold their ban against Iranians playing against Israelis. He is currently based in France and announced in early 2020 his intention to play under the French flag.

Charlton Kenneth Jeffrey Howard, professionally known as the Kid Laroi, is an Australian rapper, singer, songwriter and record producer. Born in Sydney, but raised in rural Australia, he originally gained recognition from his association and friendship with late rapper Juice Wrld, who mentored him while he was on tour in Australia. Laroi gained a local following before signing to Lil Bibby's Grade A Productions. He became known outside Australia with his song "Let Her Go", and gained further popularity with his song "Go" featuring Juice Wrld, which peaked at number 52 on the Billboard Hot 100. His debut mixtape F*ck Love (2020) peaked at number one on the Australian ARIA Charts, making him the youngest Australian solo artist to reach the top. It also reached number three on the US Billboard 200.

On August 25, 2020, amid the Kenosha unrest, Kyle Rittenhouse, a 17-year-old male from Antioch, Illinois, shot and killed two people and wounded another during multiple confrontations at two locations. He was armed, allegedly illegally, with an AR-15 style rifle and one of the victims had a handgun. Those who had been chasing him were physically confronting Rittenhouse at the time that they were shot. Kenosha resident Joseph Rosenbaum, 36, and Silver Lake resident Anthony Huber, 26, were killed, while West Allis resident Gaige Grosskreutz, 26, lost his bicep, but reconstructive surgery enabled him to keep his arm. Two other people present at the protest also chased and confronted Rittenhouse, and he either did not shoot at them, or missed.

Lady Louise Alice Elizabeth Mary Mountbatten-Windsor is a member of the British royal family. She is the elder child and only daughter of Prince Edward, Earl of Wessex, and Sophie, Countess of Wessex. Louise is the youngest granddaughter of Queen Elizabeth II and Prince Philip, Duke of Edinburgh. She is 13th in the line of succession to the British throne.

Jude Victor William Bellingham is an English footballer who plays as a midfielder for Bundesliga club Borussia Dortmund and the England national team.

Carlos Alcaraz Garfia is a Spanish tennis player. Alcaraz has a career high ATP singles ranking of 136 achieved on 19 October 2020.At the age of 16, Alcaraz made his ATP main draw debut at the 2020 Rio Open, defeating fellow countryman Albert Ramos Viñolas, 7–6^(7–2), 4–6, 7–6^(7–2), in three hours and 36 minutes, after receiving a wildcard for the singles main draw.

Harvey Scott Elliott is an English footballer who plays as a winger for Championship club Blackburn Rovers.