- Oct 3 Joonas Suotamo, Finnish basketball player and actor (Chewbacca in "Star Wars"), born in Espoo, Finland
- Oct 7 Gunnar Nielsen, Faroese footballer, born in Tórshavn, Faroe Islands
- Oct 7 Lee Nguyen, American soccer midfielder (9 caps; New England Revolution 203 games), born in Richardson, Texas
- Oct 9 Laure Manaudou, French swimmer, born in Villeurbanne, France
- Oct 12 Sergio Peter, German footballer (SpVgg Neckarelz), born in Ludwigshafen, West Germany
- Oct 14 Tom Craddock, English footballer
- Oct 21 Chibuzor Chilaka, English footballer
- Oct 22 Kara Lang, Canadian soccer forward (92 caps; Vancouver Whitecaps FC), born in Calgary, Alberta
- Oct 24 John Ruddy, English footballer (Wolverhampton Wanderers), born in St Ives, Cambridgeshire, England
- Oct 27 David Warner, Australian cricket batsman (HS 335no 2019; 2nd highest by an Australian; "Sandpaper-gate" 2018 12-month suspension), born in Sydney, Australia
- Oct 27 Matty Pattison, South African footballer (Whickham), born in Johannesburg, South Africa
- Oct 30 Thomas Morgenstern, Austrian ski jumper (3 Olympic gold 2006, 10), born in Spittal an der Drau, Austria
- Oct 31 Chris Alajajian, Australian racing driver, born in Sydney, Australia
About October 1986
How Old? 37 years old
Generation: Millennial
Leap Year: No