This article is a travel topic
This is a calendar of events and festivals in the month of May.
- 29 May-10 June 2007. The Swansea Bay Film Festival , Dylan Thomas Centre, Swansea, UK. . One of the UK's largest international film festivals.
- May 1: May Day or Labor Day, worldwide
- May 2nd: Autonomous Community of Madrid regional day.
- May 3: Polish Constitution Day. The most important holiday in Poland, and on the weekend following the holiday, there are colorful parades in cities with large populations of people of Polish ancestry (such as Chicago).
- May 5: Coronation Day is a public holiday in Thailand
- May 5: Children's Day (子供の日 Kodomo no hi), also known as Boys' Day (端午の節句 Tango no Sekku), Japan
- Until May 5: Golden Week in Japan, an extremely popular time to travel; best avoided as transport and accommodations are often booked solid.
- May 6: international blood donation and free eye check up day worldwide
- 8th day of the fourth lunar month (April/May): Cheung Chau Bun Festival in Hong Kong, 
- Ninth Avenue International Food Festival in New York City 1st weekend after Mothers Day each year.
- Spanish bank holidays calendar