- 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 3 Andreas Isaksson, Swedish soccer goalkeeper (133 caps; PSV, Kasımpaşa), born in Smygehamn, Sweden
- 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 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 6 José Luis Perlaza, Ecuadorian footballer
- Oct 6 Zurab Khizanishvili, Georgian footballer
- Oct 8 Raffi Torres, Canadian NHL ice hockey player, 2001-16 (Edmonton Oilers, Phoenix Coyotes, and 5 other teams), born in Toronto, Ontario
- Oct 9 Darius Miles, American basketball player, born in Belleville, Illinois
- Oct 12 Brian Kerr, Scottish football manager, born in Dublin, Ireland
- Oct 12 Shola Ameobi, Nigerian footballer (Notts County), born in Zaria, Nigeria
- 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 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 Martin Halle, Danish footballer
- 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 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 25 Shaun Wright-Phillips, English soccer winger (36 caps; Manchester City, Chelsea, QPR), born in Greenwich, England
- 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 30 Ian Snell, American baseball player (Pittsburgh Pirates), born in Dover, Delaware
About October 1981
How Old? 42 years old
Generation: Millennial
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions