Authors born in 1990
- Aaron Johnson Actor, 1990
- Aaron Taylor-Johnson Actor, 1990
- Aaryn Gries Businesswoman, 1990
- Adam Silvera Author, 1990
- Adelaide Kane Actress, 1990
- Adrian Marcel Singer, 1990
- Ahn Jae-hyo Singer, 1990
- Aisling Loftus Actress, 1990
- Akhil Singer, 1990
- Alana Blanchard Surfer, 1990
- Alex Pettyfer Actor, 1990
- Alexandra Belyakova Singer, 1990
- Allie Gonino Actress, 1990
- Allison Scagliotti Actress, 1990
- Amanda Bingson Athlete, 1990
- Amara La Negra Singer, 1990
- Amy Childs Model, 1990
- Andrew Hozier-Byrne Singer-Songwriter, 1990
- Andrew Wyatt Musician, 1990
- Andy Biersack Singer, 1990
- Arthur Lynch American Football Player, 1990
- Aselin Debison Singer, 1990
- Ashley Qualls Businessman, 1990
- Ashly Burch Actress, 1990
- Austin Dillon Racing Automobile Driver, 1990
- Avery Bradley Basketball Player, 1990
- Bang Yong-guk Rapper, 1990
- Ben Hunt Athlete, 1990
- Ben Lloyd-Hughes Actor, 1990
- Ben Schnetzer Actor, 1990
- Bethany Hamilton Surfer, 1990
- Bill Skarsgard Actor, 1990
- Billy Forbes Football Player, 1990
- Bo Burnham Actor, 1990
- Brendan Dooling Actor, 1990
- Brendan Robinson Actor, 1990
- Brett Dier Actor, 1990
- Bristol Palin Speaker, 1990
- Britt Robertson Actress, 1990
- Brittany Curran Actress, 1990