List of Famous people born in May

Noah Benjamin Song is an American professional baseball pitcher in the Boston Red Sox organization, and a United States Naval Officer. Song played college baseball for the Navy Midshipmen, and graduated from the United States Naval Academy in 2019. That season, he led NCAA Division I baseball in strikeouts, and in strikeouts-per-nine-innings. His fastball has been measured at 99 miles per hour (159 km/h). Song was drafted by the Red Sox in the fourth round of the 2019 Major League Baseball (MLB) draft. In December 2019, the Navy rejected his appeal to become a reservist, which he requested in order to pursue his baseball career. Song is expected to spend two years in flight school, unless he is granted a waiver or early release.

Helen Adams is a Welsh television personality who rose to fame in the United Kingdom when she was chosen to be a contestant on the second series of the reality television show Big Brother, in 2001.

Jessica Watson is an Australian sailor who was awarded the Order of Australia Medal after attempting a solo global circumnavigation at the age of 16. Departing Sydney on 18 October 2009, Watson headed north-east, crossing the equator in the Pacific Ocean before crossing the Atlantic and Indian Oceans. She returned to Sydney on 15 May 2010, three days before her 17th birthday, though the voyage was ultimately shorter than the required 21,600 nautical miles to be considered a global circumnavigation. In recognition of her attempt Watson was named the 2011 Young Australian of the Year, and the following year was awarded a Medal of the Order of Australia. She currently resides in Buderim, Queensland.

Carlo Rovelli is an Italian theoretical physicist and writer who has worked in Italy, the United States and, since 2000, in France. He works mainly in the field of quantum gravity and is a founder of loop quantum gravity theory. He has also worked in the history and philosophy of science. He collaborates with several Italian newspapers, including the cultural supplements of the Corriere della Sera, Il Sole 24 Ore and La Repubblica.

Michael Ryan Pritchard, better known by his stage name Mike Dirnt, is an American musician, singer, and songwriter. He is best known as the co-founder, bassist, backing and occasional lead vocalist and former guitarist of Green Day. He has also played in several other bands, including the Frustrators. His stage name was originally a nickname that his friends from grade school gave him, as he constantly played "air bass/guitar" and made a "dirnt, dirnt, dirnt" noise while pretending to pluck the strings.

César Ignacio Pinares Tamayo is a Chilean footballer who plays for Brazilian club Grêmio as a midfielder.

Jan Paul van Aken is a German activist for Greenpeace and a politician with the Left Party. He is a member of the Foreign Affairs Committee and the Subcommittee on Disarmament, Arms Control and Non-Proliferation in the German Bundestag. Jan van Aken entered the 17th Bundestag in 2009 after he was listed on the Left electoral lists in Hamburg. Since June 2012 he has been a deputy chairperson of the Left Party. He was one of the eight lead candidates for the Left in the 2013 federal election and was therefore also elected to the 18th Bundestag.

Tatyana Nikolayevna Moskalkova is a Russian lawyer, teacher, and politician. She has been Russia's Commissioner for Human Rights since 22 April 2016, succeeding Ella Pamfilova, and is the Deputy of the State Duma of the Federal Assembly of the Russian Federation V and VI convocations.

Michael Kent Young is an American college basketball coach and currently the head men's basketball coach at Virginia Tech. He was hired on April 7, 2019 after a 17-year stint where he went 299–244 (.545) as the head coach at Wofford College.

Sarah Marjorie Hoffman is a Canadian politician who served as the 10th deputy premier of Alberta and Minister of Health in the cabinet of Rachel Notley. Hoffman was previously a member of the Edmonton Public School Board, where she served from 2010 to 2015 and from 2012 onward as chair. Prior to her service on the school board, she was the research director of the Alberta Legislature New Democrat caucus. After stepping down from the School Board, she was elected in the 2015 Alberta general election to the Legislative Assembly of Alberta representing the electoral district of Edmonton-Glenora for the Alberta NDP. On May 24, 2015 she was sworn in as Minister of Health and Minister of Seniors for the province of Alberta. Following a cabinet reshuffle on 2 February 2016, she retained the Health portfolio and became deputy premier, primarily responsible for answering questions to the premier when the premier is not present in the Legislature.