- Dec 1 Sun Yang, Chinese swimmer (Olympic gold 400m, 1,500m 2012, 200m freestyle 2016), born in Hangzhou, Zhejiang, China
- Dec 6 CoCo Vandeweghe, American tennis player (US Open doubles 2018; US Federation Cup 2017), born in Rancho Santa Fe, California
About December 1991
How Old? 32 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions