- Oct 1 Jurnee Smollett-Bell, American actress (Lovecraft Country), born in New York City
- Oct 1 Sayaka Kanda, Japanese singer and actress, born in Setagaya, Tokyo, Japan
- Oct 2 Camilla Belle, American actress (Rip Girls), born in Los Angeles, California
- Oct 4 Barbara Jean Jones, fictional character (General Hospital)
- Oct 4 Yuridia [Gaxiola], Mexican R&B and Latin pop singer, born in Hermosillo, Mexico
- Oct 6 Mohammad Shukri, Malaysian cricketer
- Oct 6 Olivia Thirlby, American actress
- Oct 6 Yoo Ah-in, South Korean actor (Sungkyunkwan Scandal), born in Daegu, South Korea
- Oct 7 Gunnar Nielsen, Faroese footballer, born in Tórshavn, Faroe Islands
- Oct 7 Lee Nguyen, American soccer player, born in Richardson, Texas
- Oct 9 Laure Manaudou, French swimmer, born in Villeurbanne, France
- Oct 12 Li Wenliang, Chinese doctor who tried to raise the alarm over COVID-19, born in Beizhen, China (d. 2020)
- Oct 12 Marcus T. Paulk, American actor (Moesha), born in Los Angeles, California
- Oct 12 Sergio Peter, German footballer (SpVgg Neckarelz), born in Ludwigshafen, West Germany
- Oct 14 Skyler Shaye, American actress
- Oct 14 Tom Craddock, English footballer
- Oct 15 Lee Donghae, Korean singer (Super Junior), born in Mokpo, South Korea
- Oct 15 Paul Walter Hauser, American actor and comedian (Black Bird), born in Saginaw, Michigan
- Oct 16 Inna (Elena Apostoleanu) Romanian electronic-dance music singer-songwriter (Hot; Sun Is Up), born in Mangalia, Romania
- Oct 20 Priyanka Sharma, Indian actress
- Oct 21 Alex Kew, British actor
- Oct 21 Chibuzor Chilaka, English footballer
- Oct 21 Christopher Uckermann, Mexican-Swedish actor, and singer in the Latin pop group RBD, born in Mexico City, Mexico
- Oct 21 Natalee Holloway, U.S teen, disappeared in Aruba
- Oct 22 Kara Lang, Canadian soccer forward (92 caps; Vancouver Whitecaps FC), born in Calgary, Alberta
Emilia Clarke (36 years old)
Oct 23 English actress (Game of Thrones), born in London, England
- Oct 23 Jessica Stroup, American Actress (90210), born in Anderson, South Carolina
Drake (36 years old)
Oct 24 Canadian actor and rapper (Hotline Bling), born in Toronto, Ontario
- Oct 24 John Ruddy, English footballer (Wolverhampton Wanderers), born in St Ives, Cambridgeshire, England
- Oct 25 DJ Webstar [Troy Ryan], American disc jockey and record producer (Chicken Noodle Soup), born in Harlem, New York City
- Oct 25 Eddie Gaven, American footballer (Columbus Crew), born in Hamilton Township, New Jersey
- Oct 26 Schoolboy Q [Quincy Hanley), American rap artist (Oxymoron), born in Wiesbaden, West Germany
- 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 Inbar Lavi, Israeli actress (Prison Break, Lucifer), born in Ramat Gan, Tel Aviv, Israel
- 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
- Oct 31 Christie Hayes, Australian actress (Home and Away), born in North Nowra, New South Wales, Australia
About October 1986
How Old? 36 years old
Generation: Millennial
Leap Year: No