List of Famous people born in May

Todd Dennys Hays is a former American bobsledder who competed from 1994 to 2006. Competing in two Winter Olympics, he won the silver medal in the four-man event at Salt Lake City in 2002, breaking a 46-year medal drought for the US national bobsleigh team.

Veronica Campbell Brown CD is a retired Jamaican track and field sprinter, who specialized in the 100 and 200 meters. An eight-time Olympic medalist, she is the second of three women in history to win two consecutive Olympic 200 m events, after Bärbel Wöckel of Germany at the 1976 and 1980 Olympics and before fellow countrywoman Elaine Thompson-Herah at the 2016 and 2020 Olympics. Campbell Brown is one of only nine athletes to win world championships at the youth, junior, and senior level of an athletic event.

Arda Alden Green was an American biochemist who co-discovered the neurotransmitter serotonin and discovered the reaction responsible for firefly bioluminescence. She is also known for contributing to Gerty Cori and Carl Cori's elucidation of the Cori Cycle and showing how pH affects hemoglobin's ability to bind and transport oxygen. She received the Garvan-Olin Medal from the American Chemical Society for her work.