- Oct 4 Derrick Rose, American basketball point guard (NBA Draft 2008 #1 overall pick Chicago Bulls; NBA MVP 2011; NBA All-Star 2010–12), born in Chicago, Illinois
- Oct 14 Glenn Maxwell, Australian cricket all-rounder (7 Tests, 1 x 100, HS 104, 8 wickets; ODI HS 201no 2023 WC; Victoria, Melbourne Stars, RC Bangalore), born in Melbourne, Australia
- Oct 15 Mesut Özil, Turkish-German football player (Arsenal, German national team), born in Gelsenkirchen, West Germany
- Oct 16 Zoltán Stieber, Hungarian footballer
- Oct 20 Ma Long, Chinese table tennis player (Olympic and World Champion), born in Anshan, China
- Oct 21 Ajaz Patel, New Zealand cricket spin bowler (10-119 v India 2021; one of 3 to take 10 wickets in Test innings), born in Mumbai, India
- Oct 23 Nicolaj Agger, Danish football player, born in Hvidovre, Denmark
- Oct 31 Sébastien Buemi, Swiss racing driver, born in Aigle, Switzerland
About October 1988
How Old? 35 years old
Generation: Millennial
Leap Year: Yes