- May 5 Carlos Alcaraz, Spanish tennis player (US Open 2022, Wimbledon 2023, French Open 2024), born in Villena, Spain
- May 12 Madeleine McCann, English child who mysteriously disappeared on holiday in Spain in 2007, born in Leicester, England
- May 19 JoJo Siwa, American dancer, singer and YouTube personality, born in Omaha, Nebraska
About May 2003
How Old? 21 years old
Generation: Generation Z
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Taurus (Apr 20 - May 20), Gemini (May 21 - Jun 20)
20-29
30-39
40-49
50-59
80-89
Over 90