- May 1 Marcus Stroman, American MLB baseball pitcher (All-Star, 2019; Gold Glove, 2017; Toronto Blue Jays, NY Mets), born in Medford, New York
- May 9 Majlinda Kelmendi, Kosovar-Albanian judoka (Olympic gold 2016), born in Peć, SFR Yugoslavia
- May 23 Aaron Donald, American NFL football defensive end, Defensive Rookie of the Year, 7x Pro Bowls, 3x Defensive Player of the Year (St. Louis/Los Angeles Rams), born in Pittsburgh, Pennsylvania
- May 27 Beauden Barrett, New Zealand rugby union utility back (83 caps; World Male Rugby Player of the Year 2016, 17; Hurricanes 125 games), born in New Plymouth, New Zealand
- May 28 Alexandre Lacazette, French soccer player, born in Lyon, France
About May 1991
How Old? 32 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Taurus (Apr 20 - May 20), Gemini (May 21 - Jun 20)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions