Birth Chart and Horoscope of 2003 births
- Abdul Qadeem Zallum
- Ahmed Maaninou
- Aidan Gallagher
- Aleah Finnegan
- Alex Garfin
- Alexandre Coste
- Alexis Missimo
- An Yu-jin
- Andrea Brillantes
- Andrew Terraciano
- Aneesah Morrow
- Anna Cathcart
- Annabelle Kavanagh
- Arnab Bhowmik
- Ángela Aguilar
- Bailey Bass
- Bella Ramsey
- Bhad Bhabie
- Bill Campbell (Nova Scotia politician)
- Breanna Yde
- Bridget Jeske
- Brynn Rumfallo
- Carlos Alcaraz
- Corinne Massiah
- Crown Prince of Morocco Moulay Hassan
- Cyrus Arnold
- Daniel DiMaggio
- Denys Jones
- Don Evans
- Dora Gad
- Dorothy Lonewolf Miller
- Edelio López Falcón
- Eden McCoy
- Edvin Ryding
- Ekaterina Samsonov
- Eleanore Pettersen
- Eloise Webb
- Elsie Fisher
- Emily Carey
- Emjay Anthony
- Esmee Brugts
- Gillian Clark (aid worker)
- Giovana (footballer)
- Giovanni Mpetshi Perricard
- Grace Woosley
- Greta Thunberg
- Gretchen Walsh
- Hailey Owens
- Hannah Cheramy
- Hayley Faith Negrin
- Holger Rune
- Hudson Yang
- Hukwe Zawose
- Igby Rigney
- Isabel Gravitt
- Iñaki Godoy
- Jack Dylan Grazer
- Jackson A. Dunn
- Jaden Michael
- Jaeden Martell
- Jahi Di'Allo Winston
- Jamal Musiala
- Jarace Walker
- Jayda Avanzado
- Jeremy Ray Taylor
- Jintimani Kalita
- JoJo Siwa
- Joe Locke (actor)
- Jordan Bowers
- Jude Bellingham
- Juliet Nalukenge
- Kathrine Møller Kühl
- Kenneth Culp Davis
- Kenneth O. Hanson
- Kika Gomes
- Kim Jin-young (actress)
- Krithi Shetty
- Kyla Kenedy
- Kyle Rittenhouse
- Leilah de Meza
- Lexi Underwood
- Lizzy Greene
- Louis Partridge
- Lu'ay al-Atassi
- LuLu Lambros
- Lyric Ross
- Maggie Elizabeth Jones
- Maisy Stella
- Malina Weissman
- Marcel Ruiz (actor)
- Mary Fowler (soccer)
- Max Charles
- Meg Crosbie
- Melchie Dumornay
- Millicent Simmonds
- Montana Jordan
- Nacho Pastor
- Natalia Bryant
- Neel Sethi
- Nicolas Cantu
- Nicolette Pierini
- Nilesh Odedra
- Noelle Vial
- Norman Bullock (footballer, born 1932)
- Nysa Devgn
- Olivia Miles
- Olivia Rodrigo
- Park Ji-hu
- Paulina Gramaglia
- Prince of Belgium Gabriel
- Princess Jackson
- Princess of Orange Catharina-Amalia
- Quvenzhané Wallis
- Remo Lauricella
- Robert (2003) Irwin
- Rosa Kafaji
- Scotty (reggae vocalist)
- Shaqir O'Neal
- Siddiq Manzul
- Snaia Lane
- Storm Reid
- Sydney Mikayla
- Tate McRae
- The Kid Laroi
- Thea Hail
- Thomas Barbusca
- Thomas MacQueen (politician)
- Ursula Parker
- Whitney Peak (actress)
- Wyatt Oleff
- Yasmeen Fletcher
- Yasmin Finney
- Yuliana Naim
- Zahra Kazemi