Birth Chart and Horoscope of September 21 births
- Adisorn Saeng-ruang
- Aira Mitsuki
- Alan Read (writer)
- Alapati Leiua
- Aleksey Pustozyorov
- Alessandro Parisi (footballer, born 1988)
- Alexander Anoprienko
- Ali Fergani
- Alison Sheard
- Allen Lane
- Amira Griselda Gómez
- Andrei Gavrilov
- Andrey Kostin
- Ann Corcoran
- Anneliese Michel
- Antanas Valionis
- Anuwat Noicheunphan
- Arie Luyendyk
- Ashley Paris
- Atefeh Sahaaleh
- B.D. Graft
- Barry Foster (footballer)
- Benjamin van den Broek
- Bert Sperling
- Bill Sweatt
- Bob Huggins
- Bob Rowe
- Bobby Collins (comedian)
- Brent McClanahan
- Brock Virtue
- Bruce Arena
- Camora (footballer)
- Carl Macek
- Cass Sunstein
- Cho Hyun-ok
- Christian Streiff
- Chumbinho
- Claudio Maselli
- Cláudia da Silva
- Courtney Paris
- Craig Thompson
- Daniel Bowker
- Daniela Sruoga
- Danny van der Ree
- Darren Dawidiuk
- Darren Dennehy
- David Giles (footballer)
- David Tong (footballer)
- David Vetter
- Dayle Hinman
- Dean Baquet
- Derrick Ng
- Diana Morgan (actress)
- Dominique Rey
- Doug Baldwin
- Douglas George
- E. Jayne Mockler
- Ed McAleney
- Eddie Delahoussaye
- Edward J. Larson
- Elton Santiago dos Santos Lira
- Elvis Onyema
- Ernst Höfner (ice hockey)
- Evan Rodriguez
- Femke Heemskerk
- Frank MacCormack
- François Cluzet
- François Corteggiani
- Fábio Gomes (footballer, born 1988)
- Gaetano Ungaro
- Gail Varina Gilmore
- Gary Gray (baseball)
- Gary L. Clingman
- Gayatri Reddy (socialite)
- Greg Sage
- Gregory Wallace
- Gulshan Grover
- Gumercindo Castellanos
- Hale Soygazi
- Hamza Paracha
- Hazel Orencio
- Heather Cook
- Hector Alterio
- Heike Baehrens
- Hermann Bitz
- Innocent Umezulike
- Israel Katz
- Ivelisse Vélez
- Iñaki de Juana Chaos
- Jack Givens
- Jacob Barsøe
- James Watt (loyalist)
- Jan Olbrycht
- Jan Poortvliet
- Jane Rosenthal
- Javad Arianmanesh
- Jean-Luc Joinel
- Jeppe Mehl
- Jim Grimsley
- Joe Auguste
- Joel Lamangan
- John Lesko
- John Pitura
- Johnny Miller (footballer)
- Jon Faine
- Jorge Ladines
- Jón Gunnarsson
- Kanjana Sungngoen
- Karel Bonsink
- Kelcie McCray
- Kenny Starr
- Kiran Mokashi
- Ko Kwang-min
- Konstantin Flemig
- Laurent Cathala
- Loïk Le Floch-Prigent
- Luan Michel de Louzã
- Lynnette Love
- Malcolm Smith (footballer, born 1953)
- Manuel Trajtenberg
- Marcelo Estigarribia
- Marco Perchtold
- Marina Pettersson-Engström
- Mark Gardner (inventor)
- Mark Howard (footballer, born September 1986)
- Mark Levin
- Marta Kauffman
- Marvin Ellmann
- Mateo Aquino Febrillet
- Mayton Eugenio
- Michael Ratzon
- Michael Shute
- Michaela Hübschle
- Michał Pazdan
- Mika Kaurismäki
- Mike Betts
- Milad Rakhshan
- Mohamed Mimoune
- Murilo Maccari
- Mustafa Iqbal
- Neda Shahsavari
- Neil Carroll
- Nigel Cleere
- Nikolai Paklyanov
- Ove Lundby
- Pamela Behr
- Pamela Ditchoff
- Pat Nagle
- Philip D. Zelikow
- Philip M. Breedlove
- Prabuddha Dasgupta
- Professeur Choron
- Raphael Manuvire
- Raymonde Saint-Germain
- Rebecca Balding
- Reijo Ståhlberg
- Richard Hieb
- Ricky Morton
- Roger Tchouassi
- Ryan Sherrard
- Sajjad Feizollahi
- Sammy Mahdi
- Sandile Sibande
- Scott Evans
- Scott Wagner
- Sebastian Mwansa
- Sepp Schwinghammer
- Sergio Egea
- Shahrun Nabil
- Sharon Pollard
- Shaydee
- Sidney Moncrief
- Simphiwe Dludlu
- Stanislav Radev
- Stanislav Yegorshev
- Stephanie Ielö Page
- Stephen King
- Sue Handscomb
- Sunny Johnson
- Sven Birkerts
- Syed Yasin
- Taimur Siddiq
- Ted van der Parre
- Teddy Richert
- Thomas S. Ray
- Timothy J. Mello
- Tom Beckman
- Tony Grealish
- Toti (footballer)
- Toyen
- Vasily Papin
- Vivian Imerman
- Vladimir Vladimirov
- Walter Hodge
- Walter Iselin
- Wilson Asinobi Ake
- Yukiko Kai
- Zach Phillips
- Zafar Ali
- Zbigniew Rachwalski