List of Famous people who are 21

Brenner Souza da Silva, commonly known as Brenner, is a Brazilian professional footballer who plays as a forward for Major League Soccer club FC Cincinnati.

Ivet Goranova is a Bulgarian karateka. She won the gold medal in the women's 55 kg event at the 2020 Summer Olympics in Tokyo, Japan. She also won the gold medal in the women's kumite 55 kg event at the 2019 European Games held in Minsk, Belarus.

Dylan James Christopher Levitt is a Welsh professional footballer who plays as a midfielder for Manchester United and the Wales national team.

Kyree Walker is an American basketball player who plays for the Washington Wizards of the NBA. At the high school level, he played for Moreau Catholic High School in Hayward, California before transferring to Hillcrest Prep Academy. A former MaxPreps National Freshman of the Year, Walker was a five-star recruit early in high school but left as a four-star recruit. He chose to forgo college to join a training program Chameleon BX in preparation for the 2021 NBA draft.

Laine Hardy is an American singer from Livingston, Louisiana and the season 17 winner of American Idol.

Elijah Moore is an American football wide receiver for the New York Jets of the National Football League. He played college football at Ole Miss and was drafted by the Jets in the second round of 2021 NFL Draft.

Gabriel Vinicius Menino, known as Gabriel Menino, is a Brazilian professional footballer who plays for Palmeiras and the Brazil national team. Primarily a midfielder, he can also play as a right-back.

Rinus van Kalmthout is a Dutch racing driver, professionally known as Rinus VeeKay. He currently drives the No. 21 Dallara-Chevrolet for Ed Carpenter Racing in the IndyCar Series, where he has won one race at Indianapolis Motor Speedway.

Jayden Amari Scrubb is an American professional basketball player for the Los Angeles Clippers of the National Basketball Association (NBA), on a two-way contract with the Agua Caliente Clippers of the NBA G League. He played college basketball for the John A. Logan Volunteers and was named NABC NJCAA Division I Player of the Year as a sophomore. Scrubb was originally committed to continue his college career with Louisville but instead declared for the 2020 NBA draft.

Rodrigo Sánchez Rodríguez, commonly known as Rodri, is a Spanish professional footballer who plays for La Liga club Real Betis. Mainly an attacking midfielder, he can also play as a left winger.