National Hamburger Day freebies and deals: Burger King, Whataburger, Shake Shack, more. See the full list

A number of fast food chains are rolling out free burgers and BOGO deals for National Hamburger Day on Thursday, May 28.

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BY María José Gutiérrez Chávez

While some burger fans may opt for grilling their own hamburger now that the weather is finally warming up, those wishing for a restaurant version are in luck. Today, Thursday, May 28, fans can score special deals in honor of National Hamburger Day 2026.........

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