List of Famous people born on May 31st

Edward Barcik is a retired Polish cyclist. He had his best achievements in the 100 km team time trial, namely a silver medal at the 1972 Summer Olympics and a bronze medal at the 1971 UCI Road World Championships. Individually he won the Tour of Małopolska in 1972 and Szlakiem Grodów Piastowskich in 1975. He was awarded the Polish Cross of Merit.

Louis J. Ignarro is an American pharmacologist. For demonstrating the signaling properties of nitric oxide, he was co-recipient of the 1998 Nobel Prize in Physiology or Medicine with Robert F. Furchgott and Ferid Murad.

Dave O'Brien was an American film actor, director, and writer.

Fredrikke Marie Qvam was a Norwegian humanitarian leader, feminist, liberal politician and the wife of Prime Minister Ole Anton Qvam. She was the founder (1896) of the Norwegian Women's Public Health Association that grew to become Norway's largest women's organisation with 250,000 members, and served as its first President from 1896 to 1933, and as its Honorary President from 1933 until her death. She also served as President of the Norwegian Association for Women's Rights from 1899 to 1903. She was widely regarded as one of the most influential and successful political lobbyists of her time, and was described in the journal Samtiden in 1915 as the "Queen of the corridors." During her lifetime she was addressed as "Madam Cabinet Minister" and later as "Madam Prime Minister", using her husband's titles.

James Erskine, Lord Barjarg and Alva was an 18th-century Scottish lawyer who rose to be a Senator of the College of Justice. For convenience his name was usually contracted to James Erskine, Lord Alva.

Athene Seyler, CBE was an English actress.