Authors born in 1989
- G-Eazy Rapper, 1989
- Gabriella Wilde Actress, 1989
- Gareth Bale Association Football Player, 1989
- Gareth Widdop Rugby Union Player, 1989
- Gayle Rankin Actress, 1989
- George Blagden Actor, 1989
- George Springer Baseball Player, 1989
- Hannah John-Kamen Actress, 1989
- Hannah Murray Actress, 1989
- Harry Melling Actor, 1989
- Hayden Panettiere Actress, 1989
- Imogen Poots Actress, 1989
- Isaiah Thomas Basketball Player, 1989
- Israel Adesanya Mixed Martial Artist, 1989
- J. J. Watt American Football Player, 1989
- Jack Falahee Actor, 1989
- Jake Lloyd Actor, 1989
- Jamel Phillips Rapper, 1989
- James Durbin Singer, 1989
- James Harden Basketball Player, 1989
- James Hype Disc Jockey, 1989
- Jamie Waylett Actor, 1989
- Jamila Woods Singer-Songwriter, 1989
- Jane Levy Actress, 1989
- Jang Wooyoung Singer, 1989
- Jason Derulo Singer, 1989
- Jason Pierre-Paul American Football Player, 1989
- Jen Ledger Drummer, 1989
- Jeremy Sumpter Actor, 1989
- Jess Glynne Singer-Songwriter, 1989
- Jessica Brown Findlay Actress, 1989
- Jessica Jung Singer-Songwriter, 1989
- Jessica Mauboy Singer-Songwriter, 1989
- Jessica Williams Actress, 1989
- Jillian Hervey Singer, 1989
- Jo Kwon Singer, 1989
- Joe Jonas Singer, 1989
- Jonas Blue Record Producer, 1989
- Jordan Feliz Musician, 1989
- Jordan Gavaris Actor, 1989