Find your favorite holidays in May. The Holidays and celebrations by Category and Region.
Holidays in May. Your Favorite Holidays and Celebartions.
| Date | Holiday | Category | Region |
| May 1 | May Day | Fun | U.S. |
| May 2 | National Brothers and Sisters Day | Family | U.S. |
| May 3 | National Paranormal Day | Fun | U.S. |
| May 4 | Star Wars Day | Sci-Fi | World |
| May 4 | World Password Day | Fun | World |
| May 5 | Cinco de Mayo | Drinking, Food | Mexico, U.S. |
| May 5 | National Hoagie Day | Food | U.S. |
| May 6 | International No Diet Day | Fun, International | U.S. |
| May 6 | National Nurses Day | Career | U.S. |
| May 6 | National Tourist Appreciation Day | Fun | U.S. |
| May 7 | National Tourism Day | Fun | U.S. |
| May 8 | National Have a Coke Day | Brand | U.S. |
| May 8 | National Teacher’s Day | Career | U.S. |
| May 9 | National Moscato Day | Drinking | U.S. |
| May 10 | National Clean Your Room Day | Environmental | U.S. |
| May 10 | National Receptionists Day | Career | U.S. |
| May 10 | National Shrimp Day | Food | U.S. |
| May 11 | National Eat What You Want Day | Food | U.S. |
| May 12 | National Limerick Day | Fun | U.S. |
| May 12 | World Migratory Bird Day | Environmental | World |
| May 13 | Fair Trade Day | Cause | World |
| May 13 | International Hummus Day | Food, International | U.S. |
| May 13 | Mother’s Day | Family | U.S. |
| May 13 | National Apple Pie Day | Food | U.S. |
| May 13 | National Fruit Cocktail Day | Food | U.S. |
| May 14 | National Buttermilk Biscuit Day | Food | U.S. |
| May 15 | International Day of Families | Family, International | World |
| May 15 | National Chocolate Chip Day | Food | U.S. |
| May 16 | National Mimosa Day | Drinking | U.S. |
| May 17 | National Walnut Day | Food | U.S. |
| May 18 | National No Dirty Dishes Day | Cause | U.S. |
| May 18 | National Pizza Party Day | Food | U.S. |
| May 19 | National Armed Forces Day | Career | U.S. |
| May 19 | National Devil’s Food Cake Day | Food | U.S. |
| May 19 | National Endangered Species Day | Environmental | U.S. |
| May 19 | Shavuot | Relationships | World |
| May 20 | National Be a Millionaire Day | Career | U.S. |
| May 21 | National Waiters and Waitresses Day | Career | U.S. |
| May 22 | Harvey Milk Day | Cause | U.S. |
| May 22 | International Day for Biological Diversity | Environmental, International | World |
| May 22 | National Maritime Day | Career | U.S. |
| May 23 | National Taffy Day | Food | U.S. |
| May 24 | National Brother’s Day | Family | U.S. |
| May 24 | National Scavenger Hunt Day | Fun | U.S. |
| May 25 | National Wine Day | Drinking | U.S. |
| May 26 | National Paper Airplane Day | Fun | U.S. |
| May 27 | National Sunscreen Day | Cause | U.S. |
| May 28 | Memorial Day | Federal | U.S. |
| May 28 | National Brisket Day | Food | U.S. |
| May 28 | National Hamburger Day | Food | U.S. |
| May 29 | Learn About Composting Day | Environmental | U.S. |
| May 29 | Vesak | Religious | World |
| May 30 | National Mint Julep Day | Drinking | U.S. |
| May 31 | National Macaroon Day | Food | U.S. |
| May 31 | World No Tobacco Day | Health | World |
| May | National Barbecue Month | Food | U.S. |
| May | National Blood Pressure Month | Health | U.S. |
| May | National Egg Month | Food | U.S. |
| May | National Lyme Disease Awareness Month | Health | U.S. |
| May | National Pet Week | Pets | U.S. |
| May | National Teen Self-Esteem Month | Cause | U.S. |