Authors born in 1984
- Anthony Marra Writer, 1984
- Antoni Porowski Television Personality, 1984
- Antonio Cromartie American Football Player, 1984
- Anuj Sachdeva Actor, 1984
- Ariane Fortin Boxer, 1984
- Arjen Robben Football Player, 1984
- Arsi Nami Actor, 1984
- Arthur Chu Columnist, 1984
- Ashish Sharma Actor, 1984
- Ashlee Simpson Singer-Songwriter, 1984
- Ashley Purdy Bassist, 1984
- Aubrey O'Day Singer-Songwriter, 1984
- Aubrey Plaza Actress, 1984
- Austin Stowell Actor, 1984
- Avril Lavigne Singer-Songwriter, 1984
- Ayushmann Khurrana Actor, 1984
- Aza Raskin Programmer, 1984
- Barun Sobti Actor, 1984
- Bastian Schweinsteiger Association Football Player, 1984
- Beck Bennett Stand-Up Comedian, 1984
- Ben Askren Mixed Martial Artist, 1984
- Ben Shapiro Political Commentator, 1984
- Bernice Mosby Basketball Player, 1984
- Bianca Balti Model, 1984
- BJ the Chicago Kid Singer, 1984
- Blake Anderson Actor, 1984
- Bob Morley Actor, 1984
- Bobby Morley Actor, 1984
- Bonnie McKee Singer, 1984
- Brad Keselowski Racecar Driver, 1984
- Brad Williams Stand-Up Comedian, 1984
- Brady Quinn Football Player, 1984
- Branden Jacobs-Jenkins Playwright, 1984
- Brandon Marshall Football Player, 1984
- Brandon Prust Ice Hockey Player, 1984
- Brandon Stanton Author, 1984
- Brandon T. Jackson Comedian, 1984
- Branislav Ivanović Football Player, 1984
- Bresha Webb Actress, 1984
- Brian Christian Author, 1984