- Oct 1 Mirko Vučinić, Montenegrin soccer forward (48 caps; Lecce, Roma, Juventus), born in Nikšić, Montenegro
- Oct 1 Mohamed Abdelwahab, Egyptian soccer left back (19 caps; African Cup of Nations 2006; Al Ahly SC, Aluminium Nag Hammâdi), born in Faiyum, Egypt (d. 2006)
Tessa Thompson (39 years old)
Oct 3 American actress (Thor: Ragnarok), born in Los Angeles, California
- Oct 4 Kurt Suzuki, American baseball catcher (MLB All Star 2014; Washington Nationals), born in Wailuku, Hawaii
- Oct 4 Risa Kudo, Japanese gravure idol
- Oct 4 Ueda Tatsuya, Japanese idol (member of KAT-TUN)
- Oct 4 Vicky Krieps, Luxembourgish actress (Corsage), born in Luxembourg City, Luxembourg
- Oct 5 Jesse Eisenberg, American actor, author and playwright (The Social Network), born in Queens, New York
- Oct 5 Mashrafe Mortaza, Bangladeshi cricketer, born in Narail District, Bangladesh
- Oct 8 Michael Fraser, Scottish football goalkeeper, born in Inverness, Scotland
- Oct 8 Oleksandra Matviichuk, Ukrainian human rights activist (Centre for Civil Liberties, Nobel Peace Prize 2022), born in Boyarka, Ukrainian SSR, USSR
- Oct 8 Travis Pastrana, American motorsports competitor, born in Annapolis, Maryland
- Oct 9 Andreas Zuber, Austrian racing driver, born in Judenburg, Austria
- Oct 9 Jang Mi-Ran, South Korean weightlifter (Olympic gold 2008), born in Gangwon, South Korea
- Oct 9 Stephen Gionta, American NHL ice hockey player, 2010-19 (New Jersey Devils;, New York Islanders), born in Rochester, New York
- Oct 10 (Elizabeth Mae) "Lzzy" Hale, American hard rock singer and musician (Halestorm - "Love Bites (So Do I)"), born in Red Lion, Pennsylvania
- Oct 10 Vusimuzi Sibanda, Zimbabwean cricketer, born in Highfield, Harare, Zimbabwe
- Oct 11 Ruslan Ponomariov, Ukrainian chess player, born in Horlivka, Ukraine
- Oct 11 William Sledd, American internet celebrity (Ask A Gay Man), born in Paducah, Kentucky
- Oct 12 Alex Brosque, Australian footballer (Sydney FC), born in Sydney, Australia
- Oct 14 Lin Dan, Chinese badminton player (two-time Olympic champion, five-time World champion), born in Longyan, China
- Oct 15 Stephy Tang, Hong Kong singer and actress (The Empty Hands), born in Hong Kong
- Oct 17 (Nicole) "Nikki" Lane, American country and roots-rock singer-songwriter (Highway Queen; All or Nothin'), born in Greenville, South Carolina
- Oct 17 Daniel Booko, American actor
- Oct 17 Felicity Jones, English actress (Rogue One), born in Birmingham
- Oct 17 Ivan Saenko, Russian football player
- Oct 19 Makaya McCraven, American jazz drummer, composer, and bandleader, born in Paris, France
Rebecca Ferguson (39 years old)
Oct 19 Swedish actress (Elizabeth Woodville-The White Queen, Mission Impossible– Rogue Nation, Dune), born in Stockholm, Sweden
- Oct 20 Alona Tal, Israeli-American actress (Veronica Mars - "Meg"; SEAL Team - "Stella"), born in Herzliya, Israel
- Oct 20 Luis Saritama, Ecuadorian footballer, born in Loja, Ecuador
- Oct 20 Takayuki Yamada, Japanese actor (Socrates in Love), born in Naha, Japan
- Oct 21 Aaron Tveit, American actor (Tony award for Moulin Rouge!), born in Middletown New York
- Oct 21 Aboudia Diarrassouba, Ivorian-American artist, born in Abengourou, Ivory Coast
- Oct 21 Andy Marté, Dominican baseball player
- Oct 21 Ninette Tayeb, Israeli singer
- Oct 21 Zack Greinke, American baseball player
- Oct 23 Filipos Darlas, Greek footballer, born in Kenourgio, Greece
- Oct 23 Josh Strickland, American entertainer, born in Charleston, South Carolina
- Oct 24 Adrienne Bailon, American actress and singer (The Cheetah Girls), born in Manhattan, New York
- Oct 24 Brian Vickers, American race car driver, born in Thomasville, North Carolina
- Oct 24 Marc Leishman, Australian golfer (British Open 2015 runner-up), born in Warrnambool, Victoria
- Oct 25 Han Yeo-reum, South Korean actress (The Bow), born in South Korea
- Oct 26 Dmitri Sychev, Russian football player (FC Pyunik), born in Omsk, Soviet Union
- Oct 26 Francisco Liriano, Dominican MLB pitcher, born in San Cristóbal, Dominican Republic
- Oct 26 Luke Watson, South African rugby player (Western Province), born in Port Elizabeth, South Africa
- Oct 27 Brent Clevlen, American baseball player (Detroit Tigers), born in Austin, Texas
- Oct 29 Dana Eveland, American MLB player, born in Olympia, Washington
- Oct 29 Jason Tahincioglu, Turkish-British racing driver, born in Bristol, England
- Oct 29 Johnny Lewis, American actor (Sons of Anarchy, Aliens vs. Predator: Requiem), born in Los Angeles, California (d. 2012)
- Oct 29 Maurice Clarett, American football player and public speaker, born in Youngstown, Ohio
- Oct 29 Richard Brancatisano, Australian actor (Power Rangers), born in New South Wales, Australia
- Oct 30 Iain Hume, Canadian footballer (Kerala Blasters), born in Edinburgh, Scotland
- Oct 30 Trent Edwards, American football player (Buffalo Bills), born in Los Gatos, California
- Oct 31 Katy French, Irish Supermodel and Socialite, born in Basel, Switzerland (d. 2007)
About October 1983
How Old? 39 years old
Generation: Millennial
Leap Year: No