Celebrities born in 2003
21

Cahli Blakers
20

Tom Bloxham (footballer, born 2003)

Footballer  
20

Semyon Bobrov (footballer)

Player  
21

Anton Bol

Footballer  
20

Hugo Bolin

Footballer  
20

Astrid Bonami

Player  
21

Giovanni Bonfanti

Footballer  
21

Mohammad Boroughani
21

Pedro Boscardin Dias

Player  
20

Sebastián Boselli

Player  
20

Jack Bostock

Footballer  
21

Ben Bottomley

Footballer  
20

Raed Bouchniba

Player  
20

Treyson Bourguet

Player  
21

Hugo Boutsingkham

Footballer  
20

Jack Bowen (rugby union)

Player  
21

Billy Bowman Jr.

Player  
21

Sümeyye Boyacı

Swimmer  
21

Coniah Boyce-Clarke

Footballer  
20

Luka Božičković

Footballer  
20

Jakub Brabenec

Player  
20

Charlie Bracken

Player  
20

Jaden Bradley

Player  
20

Aaron Bradshaw

Player  
20

Aaron Braithwaite

Footballer  
20

Bramdani

Footballer  
20

Mitch Bratt
21

Maximilian Braune

Footballer  
20

Gabriel Breeze

Footballer  
20

Breno (footballer, born 2003)

Footballer