National Hamburger Day 2025: Free food at Burger King, deals at Wendy's, Dairy Queen, more National Hamburger Day, a day to celebrate one of America's favorite foods, is Wednesday, May 28.

If you are a fan of hamburgers, then Wednesday, May 28, is a good day to grab one – it's National Hamburger Day.. No one knows how May 28 became the unofficial hamburger holiday, according to the ...

More National Hamburger Day deals. Bad Daddy’s: Get the Bacon Cheeseburger on Steroids for $10 on May 28. Buffalo’s Cafe: Get a Canyon Burger and Tumbleweed Potato Chips for $11.99 at ...

National Hamburger Day 2025 is today. Here's how to get free or discounted burgers at Burger King, Red Robin, Shake Shack, Wendy's and more.