- Oct 2 John Morris, American voice actor (Toy Story), born in Paris, Texas
- Oct 3 Yoon Eun Hye, South Korean actress
- Oct 6 Joanna Pacitti, American pop singer ("Let It Slide"), and actress, born in Philadelphia, Pennsylvania
- Oct 7 Ikuta Toma, Japanese singer and actor, born in Hokkaido, Japan
- Oct 10 Chiaki Kuriyama, Japanese actress (Battle Royale), born in Tsuchiura, Ibaraki, Japan
- Oct 11 Martha MacIsaac, Canadian actress (Superbad), born in Charlottetown, Prince Edward Island
- Oct 13 Misono [Kōda], Japanese pop singer (Day After Tomorrow; "It's All Love!"), and TV personality (Quiz! Hexagon II), born in Kyoto, Japan
- Oct 16 Trevor Blumas, Canadian actor
- Oct 17 Chris Lowell, American actor
- Oct 18 Freida Pinto, Indian Bollywood actress (Slumdog Millionaire; Rise of the Planet of the Apes), born in Mumbai, India
- Oct 23 Izabel Goulart, Brazilian model (Victoria's Secret), born in ão Carlos, Brazil
- Oct 23 Meghan McCain, American columnist, author, and TV host (The View, 2017-21), born in Phoenix, Arizona
- Oct 24 Kaela Kimura, Japanese model and singer (Rirura Riruha), born in Adachi, Tokyo
- Oct 26 Amanda Overmyer, American rock singer (American Idol season 7 finalist), and nurse, born in Mulberry, Indiana
- Oct 27 Brady Quinn, American football quarterback (Cleveland Browns, Denver Broncos) and broadcaster (CBS Sports HQ, Fox Sports), born in Columbus, Ohio
- Oct 27 Kelly Osbourne, English television personality (The Osbournes), born in Westminster, London
- Oct 28 Amanda Paige, American model and actress, born in North Carolina
- Oct 30 Eva Pigford, American actress and fashion model, born in Los Angeles, California
About October 1984
How Old? 39 years old
Generation: Millennial
Leap Year: Yes
Actors
Actresses
Comedians
Directors
Models
TV Stars