List of Famous people who are 21

Paris Lees is an English journalist, presenter, and transgender rights activist. She topped The Independent on Sunday's 2013 Pink List, came second in the 2014 Rainbow List, and was awarded the Positive Role Model Award for LGBT in the 2012 National Diversity Awards. Lees is the first trans columnist at Vogue and was the first trans woman to present shows on BBC Radio 1 and Channel 4.

Hannah Margaret McNair "Maggie" Mac Neil is a Canadian swimmer. She is the current Olympic and world champion and Americas record holder in the women's 100 metre butterfly event (55.59 s), having won the gold medal at both the 2019 World Aquatics Championships and the 2020 Summer Olympics.

Shareef Rashaun O'Neal is an American college basketball player for the LSU Tigers of the Southeastern Conference (SEC). The son of Hall of Fame player Shaquille O'Neal, he attended Crossroads School in Santa Monica, California. As a senior forward, O'Neal was ranked among the top high school basketball players of his class. He was a redshirt during his first season in college with the UCLA Bruins, when he underwent heart surgery. He played as a reserve for the Bruins in 2019–20 before transferring midseason to LSU.

Éric Junior Dina Ebimbe, known as Éric Ebimbe or Junior Dina Ebimbe, is a French professional footballer who plays as a midfielder for Ligue 1 club Paris Saint-Germain.

Jacob Bertrand is an American actor. Bertrand began his career as a child actor in the 2009 film Duress and in guest roles on television series such as The Cape and The Middle. He is known for playing the titular character in the 2014 Disney XD series Kirby Buckets, for playing the character Jack Malloy in the Disney Channel Original Movie The Swap which premiered in 2016, as well as for playing series regular Eli "Hawk" Moskowitz in the YouTube Premium and Netflix series Cobra Kai.

Drew Timme is an American college basketball player for the Gonzaga Bulldogs of the West Coast Conference (WCC). Listed at 6 feet 10 inches (2.08 m) and 235 pounds (107 kg), he plays the power forward and center positions.

Amine Ferid Gouiri is a French professional footballer, who plays for Ligue 1 club Nice as a striker.

Dejan Kulusevski is a Swedish professional footballer who plays as a winger or midfielder for Serie A club Juventus and the Sweden national team.

Yasmine Al-Bustami is an Emirati-American actress. She is most known from The CW television series The Originals.

Nanitamo Jonathan Ikoné is a French professional footballer who plays as a forward for Ligue 1 club Lille and the France national team.