Cinco de Mayo and Memorial day are the big national holidays along with these national food days:
- May 1: National Chocolate Parfait Day
- May 2: National Truffles Day
- May 3: National Raspberry Tart Day
- May 4: National Homebrew Day
- May 4: National Orange Juice Day
- May 4: National Candied Orange Peel Day
- May 5: National Chocolate Custard Day
- May 5: Cinco de Mayo
- May 5: National Hoagie Day
- May 6: National Crêpes Suzette Day
- May 6: International No Diet Day
- May 7: National Roast Leg of Lamb Day
- May 8 National Coconut Cream Pie Day
- May 8: National Empanada Day
- May 8: Have A Coke Day
- May 9: National Butterscotch Brownie Day
- May 9: National Moscato Day
- May 10: National Shrimp Day
- May 11: Eat What You Want Day
- May 12: National Nutty Fudge Day
- May 13 National Apple Pie Day
- May 13: National Fruit Cocktail Day
- May 14: National Buttermilk Biscuit Day
- May 15: National Chocolate Chip Cookie Day
- May 16: National Coquilles St. Jacques Day
- May 10 is National Shrimp Day
- May 17: National Cherry CobblerDay
- May 18: National Cheese Soufflé Day
- May 19: National Devil’s Food Cake Day
- May 20: National Quiche Lorraine Day
- May 20: Pick Strawberries Day
- May 21: National Strawberries and Cream Day
- May 22: National Vanilla Pudding Day
- May 23: National Taffy Day
- May 24: National Escargot Day
- May 25: National Brown-Bag-It Day
- May 25: National Wine Day
- May 26: National Blueberry Cheesecake Day
- May 26: National Cherry Dessert Day
- May 27: National Grape Popsicle Day
- May 28: National Brisket Day
- May 28: National Hamburger Day
- May 29: National Coq Au Vin Day
- May 30: National Mint Julep Day
- May 31: National Macaroon Day