- Oct 1 Deborah James, British teacher, journalist, author (You, Me and the Big C), and charity campaigner, born in London, England (d. 2022)
- Oct 1 Johnny Oduya, Swedish NHL defenceman (Stanley Cup 2013, 15; Chicago Blackhawks), born in Stockholm, Sweden
- Oct 1 Júlio Baptista, Brazilian soccer forward (47 caps; São Paulo, Sevilla), born in São Paulo, Brazil
- Oct 2 Luke Wilkshire, Australian soccer defender (80 caps; Dynamo Moscow, Bristol City), born in Wollongong, Australia
- Oct 2 Toro [Alvan Guo Yi Jun], Taiwanese pop singer (Energy)
- Oct 3 Amanda Walsh, Canadian actress
- Oct 3 Andreas Isaksson, Swedish soccer goalkeeper (133 caps; PSV, Kasımpaşa), born in Smygehamn, Sweden
- Oct 3 Beth Revis, American fantasy and science fiction author (Across the Universe trilogy), born in North Carolina
- Oct 3 Zlatan Ibrahimović, Swedish soccer striker (118 caps; Ajax, Juventus, Inter Milan, PSG, Manchester Utd, LA Galaxy, AC MIlan), born in Malmö, Sweden
- Oct 4 Ilhan Omar, Somali American politician (Rep-D-Minnesota 2018-) one of first Muslim women elected to US House, born in Mogadishu, Somalia
- Oct 4 Justin Williams, Canadian NHL right wing (World C’ship gold 2004, 07; Stanley Cup 2006, 12, 14; Philadelphia Flyers; Carolina Hurricanes, LA Kings), born in Cobourg, Ontario
- Oct 4 Scott Hammond, American photographer
- Oct 4 Shaura (formerly known as Juka), Japanese gothic metal singer
- Oct 5 Kelvin Tan Wei Lian, Singaporean singer, born in Singapore
- Oct 6 José Luis Perlaza, Ecuadorian footballer
- Oct 6 Zurab Khizanishvili, Georgian footballer
- Oct 8 Princess Juliana Edenia Antonia Guillermo, daughter of Princess Christina of the Netherland, born in Utrecht, Netherlands
- Oct 8 Raffi Torres, Canadian ice hockey player, born in Toronto, Ontario
- Oct 8 Ruby [Rania Hussein Muhammad Tawfiq], Egyptian singer ("Do You Know Why") and actress (The Baby Doll Night), born in Cairo, Egypt
- Oct 9 Andrea Tarrodi, Swedish classical composer (Zephyros; Stellar Clouds), born in Stockholm
- Oct 9 Darius Miles, American basketball player, born in Belleville, Illinois
- Oct 9 Zachery Ty Bryan, American actor (Brad-Home Improvement), born in Aurora, Colorado
- Oct 10 Michael Oliver, American actor (Problem Child), born in Los Angeles, California
- Oct 11 Beau Brady, Australian actor (Home and Away), born in Sydney, Australia
- Oct 12 Brian Kerr, Scottish football manager, born in Dublin, Ireland
- Oct 12 Shola Ameobi, Nigerian footballer (Notts County), born in Zaria, Nigeria
- Oct 12 Sneha, Indian actress (Aanandham), born in Mumbai, India
- Oct 12 Tom Guiry, American actor (The Sandlot), born in Tom's River, New Jersey
- Oct 13 Kele Okereke, Nigerian-English musician (Bloc Party), born in Liverpool, England
- Oct 13 Ryan Ashford, English footballer (Sholing), born in Honiton, Devon, England
- Oct 14 Boof Bonser, American baseball player
- Oct 15 Elena Dementieva, Russian tennis player (2008 Olympic Gold), born in Moscow, Russia
- Oct 15 Guo Jingjing, Chinese diver (3 Olympic Gold medals), born in Baoding, China
- Oct 15 Keyshia Cole, African American R&B singer, born in Oakland, California
- Oct 15 Radoslav Židek, Slovak snowboarder (Olympics silver 2006; first Slovak to win Winter Olympics medal), born in Žilina, Slovakia
- Oct 16 Anthony Reyes, starting pitcher for the St. Louis Cardinals
- Oct 16 Caterina Scorsone, Canadian actress (Alice, The November Man), born in Toronto, Ontario
- Oct 16 Martin Halle, Danish footballer
- Oct 18 Richard Vuu, actor (Last Emperor)
- Oct 19 Heikki Kovalainen, Finnish race car driver
- Oct 20 Dimitrios Papadopoulos, Greek footballer, born in Gagarin, Soviet Union
- Oct 20 Francisco Javier Rodríguez, Mexican footballer, born in Mazatlán, Mexico
- Oct 20 Willis McGahee, American football running back (Pro Bowl 2007, 11; Baltimore Ravens, Denver Broncos), born in Miami, Florida
- Oct 21 Nemanja Vidić, Serbian footballer
- Oct 22 Michael Fishman, American actor (DJ in Roseanne), born in Long Beach, California
- Oct 22 Olivier Pla, French auto racer (Le Mans Series LMP2 2009; FIA World Endurance C'ship LMP2 2013,14 runner-up; 24 Hours of Le Mans LMP2 2013 runner-up), born in Toulouse, France
- Oct 23 Jeroen Bleekemolen, Dutch racing driver, born in Heemstede, Netherlands
- Oct 24 Mallika Sherawat, Indian actress (Murder), born in Moth, Hisar district, Haryana, India
- Oct 24 Tila Tequila, American TV personality (A Shot at Love with Tila Tequila), born in Singapore
- Oct 25 Austin John Winkler, American lead vocalist (Hinder), born in Oklahoma City, Oklahoma
- Oct 25 Jerome "Romeo" Jones, American singer (Food for Thought), born in Los Angeles, California
- Oct 25 Shaun Wright-Phillips, English footballer (Manchester City), born in Greenwich, England
Guy Sebastian (41 years old)
Oct 26 Malaysian-born Australian pop and soul singer ("Angels Brought Me Here"'; "Battle Scars"), and television personality (The Voice Australia, 2019-), born in Klang, Malaysia
- Oct 26 Sam Brown, American comedian (The Whitest Kid U'Know), born in Sandwich, Massachusetts
- Oct 27 Han Hye-jin, South Korean actress (No Mercy), born in South Korea
- Oct 27 Kristi Richards, Canadian freestyle skier, born in Penticton, British Columbia
- Oct 28 Milan Baroš, Czech footballer
- Oct 28 Solomon Andargachew, Ethiopian footballer
- Oct 29 Amanda Beard, American swimmer (Olympic gold 100m medley 1996, 200m breaststroke 2004), born in Newport Beach, California
- Oct 29 Jonathan Brown, Australian rules footballer (Brisbane Lions), born in Port Fairy, Australia
- Oct 29 Reema Sen, Indian actress, born in Kolkata, India
- Oct 30 Ian Snell, American baseball player (Pittsburgh Pirates), born in Dover, Delaware
Ivanka Trump (41 years old)
Oct 30 American businesswoman and daughter of businessman Donald Trump, and his 1wst wife, Ivana, born in Manhattan, New York City
- Oct 30 Jun Ji-hyun, South Korean actress (My Sassy Girl), born in Seoul, South Korea
- Oct 31 Frank Iero, American musician (My Chemical Romance, Leathermouth, Pencey Prep; Skeleton Crew), born in Belleville, New Jersey
- Oct 31 Irina Denezhkina, Russian writer (Give Me [Songs for Lovers]), born in Yekaterinburg, Russia
- Oct 31 Selina (Jiaxuan) Ren, member of Taiwanese girl-group S.H.E, born in Shilin, Taipei, Taiwan
About October 1981
How Old? 41 years old
Generation: Millennial
Leap Year: No