List of Famous people who are 18

An Yu-jin, better known mononymously as Yujin, is a South Korean singer. She finished fifth in Mnet's girl group survival show Produce 48 and debuted with Iz*One in 2018.

Xavier Quentin Shay Simons is a Dutch footballer who plays as a midfielder for French team Paris Saint-Germain U19.

Moulay Hassan is the Crown Prince of Morocco. He is the elder child of King Mohammed VI of Morocco and Princess Lalla Salma. He has a younger sister, Princess Lalla Khadija. He is named after his grandfather Hassan II; when he ascends the throne, he is expected to reign as Hassan III. In 2015 Hassan began appearing in public with his father at official engagements.

Alejandro Balde Martínez is a Spanish professional footballer who plays as a left-back for Barcelona Atlètic.

Jeremy Ray Taylor is an American actor, known for his role as Ben Hanscom in the 2017 adaptation of Stephen King's novel It and its 2019 sequel, as well as the role of Sonny Quinn in Goosebumps 2: Haunted Halloween (2018).

Elsie Fisher is an American actress. She is best known for her starring role in comedy-drama film Eighth Grade (2018), for which she earned a nomination for the Golden Globe Award for Best Actress – Motion Picture Comedy or Musical. Fisher is also known for voicing characters in the animated films Despicable Me (2010), Despicable Me 2 (2013), and The Addams Family (2019).

Liam Rory Delap is an English professional footballer who plays as a forward for Premier League club Manchester City.

Josiah Alexander Sila, known professionally as Joey Alexander, is an Indonesian jazz pianist. He became the first Indonesian musician to chart on Billboard 200 when his album My Favorite Things debuted at number 174 and then peaked at 59.

Christine Mboma is a Namibian athlete. At age 18, she set an unratified African senior and world under-20 record in the 400 metres, which made her the 7th fastest woman of all time at the event with the 12th fastest result ever. The mark was established at the Continental Tour Gold meeting in June 2021, while Mboma had previously twice broken a world U20 record in April 2021.

Gabriella Grace Pizzolo is an American actress and singer. She first made her breakthrough on Broadway for her portrayal as Matilda in Matilda the Musical (2013) and Fun Home (2015). In 2019, she received widespread recognition for her role as Suzie in Stranger Things.